IMR 4166 is an extruded stick powder. With no pressure signs up to 45.8 grains of 4166 I decided to push further and see what I could get. For this reason, the IMR brand powders truly are Legendary products. Finally, Enduron powders are environmentally-friendly, crafted from raw materials that are not harmful to the environment. The IMR series of handloading powders were the only choice to wring full performance out of rifle calibers. Enduron powders are formulated to reduce fouling and to be stable across a wide temperature range. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. CL 2.005 The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Reviews can only be submitted while being logged in. For example, variation in velocity does NOT appear to be linear across the full range of temperatures. This propellant performs comparably to Hodgdon H4831 but charge weights are materially different. The manual allows for stiffer charges, but at 25.1 the load begins to compress. Fired from My Rock River Arms National Match upper, these rounds consistently fetch accuracy in the .75 to 1.25 MOA area. Second, Enduron powders are all very temp-stable. For info on other IMR powders, visit www.imrpowder.com. Newtosavage Dec 9, 2020 #9 ericwh Well Known Rokslider Joined Mar 9, 2017 Messages 479 Location PA Powder Temp Stability: Hodgdon Extreme vs. IMR Enduron For a better experience, please enable JavaScript in your browser before proceeding. IMR now offers four Enduron powders that cover a broad range of burn rates. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. Thats because a change in temperature can affect the trajectory or flight path of the bullet in two well-known ways: 1. Find load data for IMR 8208 XBR propellant by clicking the button "Loads for this Powder".More about this powder:IMR 8208 XBR is an accurate-metering, super short-grained extruded rifle powder was designed expressly for match, varmint, and AR sniper cartridges. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. IMR 7977 is comparable to Hodgdon H1000. Most powders arent specially formulated to be temperature stable. The pelletized form makes for faster reloads with pre-formed charges that easily drop down the barrel and is easy to pack without the need for measures or funnels. You are using an out of date browser. Load . Whether a rifle is sighted in during the heat of summer, hunted in a November snowstorm or hunting multiple locations with drastic temperature swings, point of impact with ammunition loaded with Enduron technology will be very consistent. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. Awsome powder in my book. So, I'd use it for loads listed by Hodgdon. New customer? 5 rounds shot Please enter your login details below. We do not take backorders and our Tech Services team cannot take orders via email or phone. Grab some at your nearest dealer, or for more information, contact IMR Powder Company; Tel. $25.45 If you enjoy the forum please consider supporting it by signing up for aNES Membership The benefits pay for the membership many times over. It is primarily a pistol powder but has some application in rifles. Shooters will find IMR 8208 XBR yields max velocities and 'tack driving' accuracy. Optimal load density - Enduron powders provide optimal load density, assisting in maintaining low standard deviations in velocity and pressure, a key feature for top accuracy. They list loads for Sperry SP and Barnes TTSX in 55gr weights. IMR 4166 possesses the fastest burn rate in the Enduron lineup. I did the usual load development testing and found that 43.0 gr. Shooter's Reference Load Data for .223 Remington .223 Remington - Published Manufacturer Loading Data Shellholders: Hornady #16 Lee #4 Lyman #26 RCBS #10 Recipe Type: Rifle 55,000 PSI STANDARD SAAMI COMMERCIAL SPECIFICATIONS Pistol CUSTOM LONG THROAT Reduced Load Bullet Weight: ALL 30 gr 34 gr 35 gr 36 gr 40 gr 42 gr 43 gr 45 gr 50 gr 51 gr 52 gr It is a true magnum cartridge propellant with outstanding performance in such cartridges as the .300 Winchester Magnum, 7mm Remington Magnum, .338 Lapua and more. Sep 25, 2010 . So they would likely show much larger swings than what these four top-performing powders showed. .308 Winchester (IMR-4166 Data) Warning! Hodgdon's excellent online reloading data show only IMR 4007SSC, IMR 4166, IMR 8208XBR, and Hodgdon CFE 223 breaking 3,750 fps with a 55-grain bullet in a 24-inch test barrel. IMR 4166 Enduron Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Choose from a variety of powders for everything from small-caliber ammo to magnum rifle cartridges in both 1 lb canisters and 8 lb jugs. of Varget. spitzer boat tail & imr 4166, 223 80 gr bullet imr 4166, 223 load with imr 4166, 243 barnes 80 gr ttsx imr 4166 load data, 243 barnes 80gr ttsx imr 4166 load data, 243 barnes ttsx with imr 4166 load data, 243 barns ttsx with imr 4166 . I bought all three. We place limited powder inventory for sale on a regular basis on our website. Loading density is perfect for the very large magnums, including the 6.5mm and 7mm magnums. then consider IMR 4166. Site Notices. very consistent in .243 shooting 65gr vmax and 3550 fps. Or maybe have QuickLoad data? Has anyone left switched from 4064 to 4166 without losing accuracy? spitzer boat tail & imr 4166, .223 rem. It may be that if I did more load development I could close the gap. However, to up the ante the Enduron line also utilizes copper fouling reducing technology to help keep your bore free of the hard to remove copper. Precision shooters will find an Enduron option well-suited to most popular precision cartridge types. bolt reload data with 65 gr. 44gr 4166 forum.accurateshooter.com/threads/imr4166-loads-for-223.4053707/, Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36. Improved Military Rifle IMR 3031 Improved Military Rifle IMR 4064: 5.56 x 45 mm: Accurate 2495 VihtaVuori N135 VihtaVuori N140: Hodgdon CFE 223 Hodgdon H 335 Improved Military Rifle IMR 8208 XBR VihtaVuori N530 VihtaVuori N540: 5.6 x 50 Magnum: Improved Military Rifle IMR 4064 Winchester 748: 5.6 x 57: Improved Military Rifle IMR 4320: 5.7 x 28 . h4895 Reduced Rifle Load. Being a short-grain extruded powder it can be dumped from a powder measure; however I always opt to use a dispenser like the Hornady Auto charge. Once they had a couple dozen rounds loaded with each powder, they went and shot them with each powder at 25 F, 65 F, and 140 F. The muzzle velocity of each shot was recorded using both a LabRadar Doppler Radar and a MagnetoSpeed Chronograph. The new line of IMR Enduron powders feature small kernels for easy metering, plus a built-in copper fouling eliminator. It also offers good load density and meters reasonably well. Share the post "Guide to IMR Enduron Powders: 4166, 4451, 4955, 7977, 8933". UPS has officially stopped shipping guns? Average extreme velocity spread was only 19 fps for 15 Sierra 142-grain MatchKing bullets fired from prepared cases filled with precisely weighed IMR-4166 charges. Menu & Links At the 2015 Shot Show they did just that and released the IMR Enduron Line. A Meopta MeoStar 1.710x riflescope was mounted to ensure an optimum sight picture. It is available right now at Powder Valley in both one-pound ($25.45) and 8-pound ($182.75) containers: IMR4166-01: IMR 4166 1 LB. You are using an out of date browser. . IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. You can find that here: http://precisionrifleblog.com/2016/06/19/powder-temp-stability-hodgdon-extreme-vs-imr-enduron/, Share the post "Powder Temp Stability IMR Enduron vs. H4350 and Varget". IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. I went to the IMR site and it takes you to hodgdon's loading site. Find load data for IMR 4198 propellant by clicking the button "Loads for this Powder".More about this powder:This fast-burning rifle powder gives outstanding performance in cartridges like the 222 Remington, 221 Fireball, 45-70, and 450 Marlin. Plain cartridges, in contrast, turned in an average extreme spread of 51 fps. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; Are your groups that good ? IMR4166-08: IMR 4166 8 LBS. Past breakthroughs have brought us the extreme extruded line that gives consistent performance regardless of ambient temperature, and more recently they have brought us CFE technology that deters and reduces copper fouling. The Enduron Technology powders are available in one-pound (1 lb) and eight-pound (8-lb) containers from quality reloading retailers. of 4166 in Peterson SRP brass topped with 168 gr SMK's seated 0.010" off gave me great performance. First run tomorrow. Trim to length as needed, clean/uniform the primer pockets, reprime, charge with powder, verify powder charges, seat bullets to specific overall length, perform final inspection, box, and label. Find load data for IMR TrailBoss propellant by clicking the button "Loads for this Powder".More about this powder:Find load data for Accurate 5770 propellant by clicking the button "Loads for this Powder".More about this powder:Trail Boss was designed specifically for low-velocity lead bullets suitable for Cowboy Action shooting. (see note 1 ). Sounds familiar! Copper fouling should be minimal, allowing shooters to spend more time shooting and less time cleaning a rifle to retain accuracy. I have a pound of 8208 XBR for 223 development, haven't gotten round tuit yet. So they would likely show much larger swings than what these four top-performing powders showed. Hodgdon Extreme Series powders have attracted quite a fan base, with over 90% of the top shooters in the Precision Rifle Series choosing to run one of those powders. Reduced Rifle Loads. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. Precision shooters will find an Enduron option well-suited to most of the popular precision cartridge types. Be Alert: Publisher cannot be responsible for errors in published load data. I've had good luck with 8208 with 77gr SMK's and 69gr Nosler Competition Customs Hoon Rating - 100% 1 0 0 Joined Mar 2, 2013 Messages Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. Hodgdon Extreme Series powders have attracted quite a fan base, with over 90% of the top shooters in the Precision Rifle Series choosing to run one of those powders. The components in question make up my service rifle load in .223 and they are Hornadys 55 grain V-max bullet seated into a Lake City brass case at an OAL of 2.270 and ignited with a Wolf Small Rifle Primer. .1 to .2 gr accuracy. The responsible reloader always errs on the side of caution, so I decided to stop there. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. Versatility with uniformity and accuracy. That is very, very low. Reloading for 223/556 Service Rifle Competition (NRA/CMP bullseye . It was less accurate than 4 other powders. To me that says Gebby got it right long ago. Reloading 223/ 5.56 for the AR-15 with IMR 4166 30-06JOHN, GUNS AND RELOADING 1.86K subscribers 2.8K views 1 year ago I reload .223/ 5.56 for the AR-15 using a powder not popular, IMR. _gaq.push(['_setAccount', 'UA-6323545-2']); I'm looking for some load data for the 55gr V-Max in 223 Remington with IMR 4166. Then Try IMR 4166 Powder", A couple seasons back, PrecisionRifleBlog.com (PRB) published a significant field test of powder temperature stability. IMR is an acronym for Improved Military Rifle. [ARCHIVED THREAD] - IMR 4166 .223 Rem. In modern type guns, 4166 IMR Enduron Powder is a viable powder. An acronym for. Temperature change stability the Enduron line is insensitive to temperature changes. IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. By that, they mean the change per degree from 20 to 65 might be smaller or larger than the change per degree from 65 to 140. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. It may not display this or other websites correctly. ga.src = ('https:' == document.location.protocol ? Any gunpowder required by handloaders can be sourced through these brands. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); It is expected to perform well in the .308 Winchester and in 6mm cartridges running the heavier (95-107gr) projectiles. Will purchase more. This is a true magnum propellant yielding outstanding performance in .300 Winchester Magnum, 7mm Remington Magnum and .338 Lapua Magnum. IMR 4451 had the largest swing in muzzle velocity of the powders tested, but keep in mind just 68 fps over 115 F swing is still a good performance. Trail Boss Reduced Rifle Load. Where to Find IMR 4166 Powder 3, tried this powder and same bullet in the grandson's Ruger77 .223. Be the first to share your insights. These short-grain, extruded powders will deliver temperature insensitive quality while keeping copper residue to a minimum. More about this powder: IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Powders include IMR Perhaps the new IMR 4166 will be as good or better. From the 17 Remington to the 243 Winchester to the 375 H&H Magnum, accuracy and performance are excellent. The Hide Armory. First, these powders all feature chemistry that reduces copper fouling. Hodgdon Powder Co., distributors of Hodgdon, IMR, and Winchester powders, says that: The new IMR Enduron Technology powders will be available at dealers in early 2015 in 1-pound and 8-pound containers. For more information and Enduron LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. This powder is comparable to Hodgdon H4831. Below you will see today's round robin from 45.0 to 46.4 grains of 4166. As a medium burn speed propellant, XBR is ideally suited for cartridges like the 223 Remington/5.56mm, 308 Winchester/7.62mm NATO and the 6mm PPC. . This Enduron series powder is temp-stable and accurate. The IMR 4166 shows loads for a 69 hpbt. Find load data for IMR 4227 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4227 is a medium burn speed, magnum pistol propellant. View Product Warning DEALER LOCATOR Share the post "Powder Valley has new IMR 4166 Powder in Stock". This demand lead to an incredible 2.5 billion pounds of smokeless propellants being manufactured by DuPont for Allied Forces in World War II. Powder Valley Inc. (PVI) and Midsouth Shooters both have plenty of IMR 4166 in stock right now. The technology in IMRs Enduron line of powders provides four very important qualities that enhance both in-gun and downrange performance. PRBs test team also noticed other interesting trends in the data. It is an extruded powder and provides top performance for big game cartridges like 25-06, 270 Winchester, 280 Remington and 300 Win Mag, among other cartridges. Key: Admin , Global Mod , Mod RR2/3-22 UDG-IP this stuff is not affected temp at all. Case: Winchester; Twist: 1:12 inches; Primer: Federal 210M, Large Rifle Match; Barrel Length: 24 inches; Trim Length: 2.005 inches. I understand this is an old thread, but want to reply anyway, 243 75gr V-Max loads using StaBall or IMR 4166. Generally no two rifles will like the same exact load. The accuracy results were almost identical to those of Varget, with my best group coming in at 1.05 MOA from a 24.6-grain charge of 4166not bad for an initial round of load development. My factory sierra high 2576 Ive heard some say 4166 is similar to 4064, which I haven't used or have on hand currently. PRBs testers talk about those things, provide a few other insightful views of the data, and discuss tools that can help you manage temp/muzzle velocity in the field in their full post. 4451 is the medium burning powder, for medium cartridges like the .30-06 Springfield and the .270 Winchester. Using bullets from Nosler BT LF, Barnes VG FB, Nosler BT, SinterFire, Sierra SP, Speer SP, Sierra HP, Barnes TSX FB, Hornady FMJ, Hornady V-Max, Swift Scirocco, Sierra HPBT, JLK VLD, Sierra MK, Berger BT Targ. Once they had a couple dozen rounds loaded with each powder, they went and shot them with each powder at 25 F, 65 F, and 140 F. The muzzle velocity of each shot was recorded using BOTH a LabRadar Doppler Radar and a MagnetoSpeed Chronograph. Reloading 223 Rem./5.56mm is mostly the usual routine. var _gaq = _gaq || []; IMR 7977 is the slowest burn rate Enduron Technology powder. IMR offers a modern line of powders with Enduron Technology which is also marketed to have extreme temperature stability. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. CL 2.005 (SEE: Temperature Effects On Zero on KestrelMeters.com.). We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. Expensive compared to varget. Find load data for IMR 4955 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4955 is a versatile, match-grade propellant with a mid-range burn speed that is in between IMR4451 and IMR7977. First load. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. I tried 4166 and my groups opened up. it's a bit bulky when pouring into the 223 case. Hodgon VARGET, IMR 3031, IMR 4064, IMR 4166 Enduron, IMR 4831, IMR 4895, Lovex D073.6, Lovex S060, . Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. Cant find Hodgdon Varget on dealers shelves? Varget was always my go-to powder for .308 and .223, but anyone who reloads knows that Varget is virtually unobtainable now. This allows up to 4% more powder space in the case and in many loads yields more velocity than standard 7828. This website uses cookies to ensure the best experience possible. It is formulated to reduce fouling and to be stable across a wide temperature range. IMR states that IMR 4166 is a versatile, match grade propellant. Love the copper fouling eliminator makes cleaning a breeze. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR End. Posted: 7/2/2021 8:19:25 PM EST. IMR 4166: This newer propellant produced by General Dynamics in Canada had the best temperature insensitivity and may be the best substitute for Varget across a wide temperature range with 77 to 80 grain bullets. The same increase in temperature also causes the nitrocellulose-based powder inside the cartridge to burn at a higher rate, producing approximately four times the Point of Impact (POI) shift than just air temperature alone. .1 to .2 gr accuracy. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. Youll also find official load data in the Hodgdon 2020 Annual Manual. Please help us to improve and report any suggestions via our contact form. Anyone seen/tried this combo? Being one of the easiest people in the industry to talk to, a secret this guarded certainly sparked my curiosity, so I made sure to order a test sample. The technology in IMRs Enduron line of powders provides four very important qualities that enhance both in-gun and downrange performance. IMR 4166 possesses the fastest burn rate in the Enduron lineup. * All prices incl. It is an extruded powder and is perfect for cartridges like 270 Winchester, 30-06 or 300 Winchester Short Magnum, among others. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 7977 is a slower burn rate in the Enduron family. The main features of the Enduron series are copper . IMR 8133 performs comparably to Hodgdon Retumbo but charge weights are materially different. Across the board, the Enduron line is very insensitive to temperature changes, which is important for both match shooters and hunters. Share the post "Cant Find Varget for Sale? })(); To comment on a post, click Post Title or "Comment" Link. IMR 7977 is a slower burn rate in the Enduron family. Find load data for IMR 8133 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 8133 is the slowest burn rate in the Enduron family. Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between temperatures of 25 F and 140 F. IMR 4166 performed very similar to Varget, and proved to be fairly insensitive to large swings in temperature. When we are sold out, we are sold out. The IMR brand was first introduced under DuPont in the 1930s. Every week of WW II, as many munitions were used as in all of WW I. For example, IMR 4166 is a good replacement for Hodgdon Varget (commonly used in the .223 Rem, 6mmBR and .308 Win), while IMR 4955 is a fine substitute for H4831 (favored by F-Open shooters for the .284 Win and 7mm WSM cartridges). .223 Rem. First ladder turned out great! Share the post "Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme". OAL 2770 Sierra Case With Varget so hard to find, if IMR 4166 proves accurate (and available) we might see many .308 Win shooters make the switch. CLICK HERE to Read Full Powder Temperature Stability Test on Precision RifleBlog.com. worst groups at .5 moa most groups around the .3 moa mark. Love the copper fouling eliminator makes cleaning a breeze, Posted by Paul rosenkranz on Nov 9th 2021. For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. I haven't seen any Hornady loads in the manual using 4166. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. Shooters has been keeping it around $20/lb if you buy in quantity. - 24hourcampfire Previous Thread Next Thread Print Thread Hop To BP-B2 IC-A B3 IC-B B4 RR1-22 Who's Online Now 828 members ( 10Glocks, 12344mag, 007FJ, 1911a1, 1100mag, 95 invisible), 2,340 guests, and 1,313 robots. PRBs testers explain the full set of equipment and steps in their loading process in the Full Test Report. IMR Legendary Powders now offers four (4) Enduron powders: IMR 4166, IMR 4451, IMR 4955, and IMR 7977. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. I'm very happy with this powder. You may not reproduce original text or photos without advanced permission in writing. This is a true magnum propellant yielding outstanding performance in 6.5-300 Weatherby, .264 Win Mag, 28 Nosler and .300 Rem Ultra Mag, among other cartridges. I don't see any info for the A-Max though. If a pistol says Magnum, IMR 4227 is the choice for true magnum velocities and performance. ga.src = ('https:' == document.location.protocol ? In another study, IMR 4166 was identified as the best replacement for Varget between 61F and 103F for .308 F-TR rifles. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. ARCHIVED. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. If this is true, these powders should prove popular, particularly IMR 4166 which seems to be in the Varget/Reloder 15 burn-rate range. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. The IMR Enduron line is similar to Hodgdon's Extreme Extruded line, in that it is temperature insensitive. The IMR 4166 Powder may be on the slow side but will be interesting with heavier bullets. Its loading density is perfect for magnum cartridges and contributes to superb uniformity, yielding outstanding performance in 300 Winchester Magnum, 7MM Remington Magnum and .338 Lapua Magnum. The kid's rifle didn't like this powder, but perhaps yours may. Some powders are more affected by changes in temperature than others. I'm using this in my Tikka CTR 223 under 73 gr Berger BT target bullets. Whether youre reloading for the first time or an experienced reloader who desires elite powder, IMR is a company that should be on your radar. Loading density is perfect for magnums, contributing to superb uniformity. I live in florida and shoot the same load all year. IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. Find load data for IMR 4350 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4350 is a medium- to slow-burn rate propellant and is the number one choice for the new short magnums, both Remington and Winchester versions. These new powders should compete directly with the Hodgdon Extreme Series, which gives shooters more temp-stable powder options to consider. The Rifle: Savage 10fcp, 24" 5r, accustock .308 Win, Vortex Viper PST 4-16 Target distance: 100 yards Shot off front and rear sand bags from a bench IMR now offers four Enduron powders that cover a broad range of burn rates. FPS low 2735 high 2789 Find load data for IMR 4895 propellant by clicking the button "Loads for this Powder".More about this powder:Originally a military powder featured in the 30-06, IMR 4895 is extremely versatile as a medium burn speed propellant. _gaq.push(['_trackPageview']); I do not see it listed for 40 grain bullets. The rifle was placed on the 50 yard line and supported both fore and aft by sandbags. Sign up to get updates and access to exclusive promotions. The weight of a kernel of 4166 was almost double the weight of a kernel of H4895, and they were clearly larger. Importantly, it seems to be a good substitute for unobtanium Varget powder. Using Hodgdon's online Reloading Data Center I find IMR 4166 listed as an appropriate powder for several 223 loads, from 50 grains bullets all the way up to 90 grain bullets. Comprehensive load data for IMR 4166 Enduron reloading powder und technical specifications for this propellant. These are the first groups with this powder. They also produce specialty rounds designed for competition shooting events like . We place limited powder inventory for sale on a regular basis on our website. I'm using this in my Tikka CTR 223 under 73 gr Berger BT target bullets. This powder is comparable to Hodgdon H4350. In today's shooting you can clearly see the scatter that centers at 45.5 and the obvious OCW at 46.2. IMRs press release provides these descriptions of the new Enduron propellants: IMR 4166 is the first in the series of Enduron propellants. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. IMRs press release states: IMR 4166 [has] a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington, 257 Roberts and dozens more.. Between 1/3 and 1/2 MOA for 5 shot groups at 200yd. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Shop Now ! So if your goal is first-shot hits and you may shoot in a variety of conditions you should care about temperature stable powders. DuPont had historically been a major supplier of military propellants long before becoming one of the handloaders favorite powders. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Most powders arent specially formulated to be temperature stable. $40.99 - $270.99. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. Tag: IMR 4166 Loading for the AR-15 with the LEE Auto-Drum Powder Measure. That means swings in ambient outside temperature can affect your internal ballistics, which will directly affect your muzzle velocity, which will change your bullets trajectory. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. For more information, go towww.P65Warnings.ca.gov. I use in 243 Win and 6.5 CM. Sierra load data for over 95 Berger bullets in over 65 calibers with all suitable powders on the market. So far IMR4166 has worked great for me in the .243 Winchester with light bullets, the .257 Roberts with 75-100 grains bullets, .308 Winchester with 150's and 168's, the .303 British, 8x57 and .45-70 with "low pressure" loads. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts.