They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. CL 2.005 I hope to get some time on the new bull barrel AR. 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 fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. IMR 7977 is comparable to Hodgdon H1000. var _gaq = _gaq || []; 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. I have enough on hand to last for a while, but when I found some IMR 4166 available, I decided to try it for my MPA .308. Temperature change stability the Enduron line is insensitive to temperature changes. This Enduron series powder is temp-stable and accurate. Tested: Modern Reloading Powders for the .30-30 Win. $25.45 Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. DuPont had historically been a major supplier of military propellants long before becoming one of the handloaders favorite powders. Loading density is perfect for magnums, contributing to superb uniformity. Posted: 7/2/2021 8:19:25 PM EST. However, Alliants relatively new Reloder 16 is an extremely temp-stable powder, with a burn rate that is a close match to H4350. Testing consisted of a single 5-shot group of each incrementmental charge weight just to get a rough feel for the potential of this powder. Reviews can only be submitted while being logged in. Some of our Forum members have reported excellent results with IMR 4166 in cartridges that work with Varget, such as the 6mmBR, 6 Dasher, 6.547 Lapua, and .308 Win. For info on other IMR powders, visit www.imrpowder.com. Bullets ranged from 50- 77 grain , same bullets shot very well with Varget anf H4895 . 223 Remington Load Data for AR and Bolt-Action Rifles PrecisionRifleBlog.com (PRB) recently published results from a field test PRB conducted to quantify the temperature stability of the popular Hodgdon H4350 and Varget powders and compare those to IMRs new Enduron line of powders, specifically IMR 4166 and 4451. 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. The new powder line-up comes in three flavors: 4166, 4451 and 7977. 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. ga.src = ('https:' == document.location.protocol ? $49.99 - $357.99 4.48 17 reviews IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Learn more about Enduron powders at www.enduronimr.com. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. 17 reviews. IMR 7977 has the slowest burn rate among the Enduron Technology powders. On the official Hodgdon/IMR burn rate chart, IMR 4166 is between H4895 and Varget. 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. CC 300 BLK ($53.49 per box of 20), Law Tactical Gen 3-M AR Folding Stock Adapter, 2022 Editors Choice Award Winning Silencer Central Banish Backcountry Suppressor. Weve been quite pleased with IMR 8208 XBR as a Varget alternative. IMR now offers four Enduron powders that cover a broad range of burn rates. $40.99 - $270.99. I much prefer IMR 8208 XBR for the 223. flyfisher117 Professional Milk Jug Hunter. Generally no two rifles will like the same exact load. IMR 4166 in .223. - 24hourcampfire Site Notices. 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. Awsome powder in my book. I was planning to switch to 4166 for my .308, but it seems that it has also become nearly impossible to source. I have had good luck with 4166 in .223 bolt rifles. .225 Win. I do not see it listed for 40 grain bullets. var _gaq = _gaq || []; If you enjoy the forum please consider supporting it by signing up for aNES Membership The benefits pay for the membership many times over. Choosing 4166, I decided to use it in place of my usual choice of Varget in a known accurate cartridge and rifle combination. No reviews found. IMR 4166 Daily Bulletin - AccurateShooter.com IMR 4166 is one of IMRs Enduron family of propellants. IMR4166-08: IMR 4166 8 LBS. IMR 4166 | Hunt Talk Copper fouling reduction these powders contain an additive that drastically reduces copper fouling in the gun barrel. Experimental IMR Enduron Powder Loads - Discussion & Results The new line of IMR Enduron powders feature small kernels for easy metering, plus a built-in copper fouling eliminator. In rifles, this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball. VAT (where applicable), shipping costs and possible delivery charges. 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). 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 It is expected to perform well in the .308 Winchester and in 6mm cartridges running the heavier (95-107gr) projectiles. Villain Weapon Systems ATPIAL-C EFL -- Enhanced Class 3R Performance Available Now from TNVC! Reference Data - IMR _gaq.push(['_setAccount', 'UA-6323545-2']); JavaScript is disabled. IMR 4166 Enduron Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. Shooter's Reference Load Data for .22 - 250 Remington 110 PCS pistol, 2022 Editors Choice Award Winning Ruger 5.7 LC Carbine, 2022 Editors Choice Award Winning Mossberg 940 Pro Tactical 12-gauge, Fiocchi Introduces New 5.7x28mm Subsonic Ammo, Lehigh Defense 115-gr. From the 17 Remington to the 243 Winchester to the 375 H&H Magnum, accuracy and performance are excellent. Find load data for IMR 4064 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4064 is a medium-range burn speed powder and is one of the most versatile propellant in the IMR line, used for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Super Short Magnum, 308 Winchester, 338 Winchester Magnum, and the list goes on and on. VISIT THE RDC WHITE HOTS White Hots 50/50 is a 50 Caliber, 50 grain pellet for muzzleloaders. Most powders arent specially formulated to be temperature stable. For those who ask.I am obviously loading for a 556 NOT a 223. otherwise why mention I would be using only cases marked as 556! The IMR brand was first introduced under DuPont in the 1930s. 4166 is the fastest burning powder, for cartridges like .223 Remington and .308 Winchester. Varmint shooters with small-bore cartridges love it. 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. 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. It is formulated to reduce fouling and to be stable across a wide temperature range. Re: IMR 4166 in .223. .308 Winchester (IMR-4166 Data) Warning! 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. IMR load data | xxl-reloading.com So if your goal is first-shot hits and you may shoot in a variety of conditions you should care about temperature stable powders. For a better experience, please enable JavaScript in your browser before proceeding. so I am thinking till powder does come available, load one or 2 levels under Max for a 223 into the 556 cases. IMR 4166 in .223. 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. Shooter's Reference Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. The maxorder quantity of any powder SKU is. works great in many cartridges with good to great accuracy. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. _gaq.push(['_trackPageview']); You can see Hodgdon H4350 had the least variance in muzzle velocity, with just 25 fps over the 115 swing in temperature! 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. Key: Admin , Global Mod , Mod RR2/3-22 UDG-IP 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. Load data for the new IMR 4166 was taken from Hodgdons 2015 Annual reloading manual, and in increments of .3 grains or less, loads were worked up from 24.0 through 25.1 grains of IMR 4166. So they would likely show much larger swings than what these four top-performing powders showed. Working up a good hunting load with the 4166 Enduron and the Hornaday 150 gr GMX bullets for my 308. This powder is comparable to Hodgdon H4831. 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. . })(); To comment on a post, click Post Title or "Comment" Link. IMR now offers five (5) Enduron powders: IMR 4166, IMR 4451, IMR 4955, IMR 7977, and IMR 8133. Give it a try if you've already purchased it. .45 ACP and .38 Super, while their rifle offerings range from .223 Remington to .30-06 Springfield. IMR Enduron 4166 - Hodgdon Powder Co. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. IMR 4166 possesses the fastest burn rate in the Enduron lineup. IMR 4166: A quick look - The ExhaustNotes Blog The responsible reloader always errs on the side of caution, so I decided to stop there. I understand this is an old thread, but want to reply anyway, 243 75gr V-Max loads using StaBall or IMR 4166. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); IMR now offers four Enduron powders that cover a broad range of burn rates. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Finally, Enduron powders are environmentally-friendly, crafted from raw materials that are not harmful to the environment. They list loads for Sperry SP and Barnes TTSX in 55gr weights. Moving on, the individual loads were fired and the barrel was allowed to cool between each group. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. It provides top performance in big game cartridges such as 25-06, 280 Remington and 300 Winchester Magnum. 2. We need to get back to the good old days! for 223. Shooter's Reference Load Data for .223 Remington The manual allows for stiffer charges, but at 25.1 the load begins to compress. 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. IMR claims that Enduron powders are not sensitive to temperature changes. We place limited powder inventory for sale on a regular basis on our website. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. * All prices incl. Share the post "Powder Valley has new IMR 4166 Powder in Stock". Clearly, the competitor's 'choice' and the Varmint Hunter's 'dream powder.'. _gaq.push(['_setAccount', 'UA-6323545-2']); It also offers good load density and meters reasonably well. I tried 4166 and my groups opened up. 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. 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. Comprehensive load data for IMR 4166 Enduron reloading powder und technical specifications for this propellant. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. 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 only two .45-70's I own are trapdoor Springfields.) Precision shooters will find an Enduron option well-suited to most of the popular precision cartridge types. For more information, go towww.P65Warnings.ca.gov. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. To me that says Gebby got it right long ago. This demand lead to an incredible 2.5 billion pounds of smokeless propellants being manufactured by DuPont for Allied Forces in World War II. 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. IMR 4166 powder? for 223 | Sniper's Hide Forum IMR is bringing out a new series of advanced-formulation extruded powders. 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. - 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. Share the post "Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme". The main features of the Enduron series are copper . Naturally the next step was to combine the two for a new line of powders. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. Picked up a lb of this stuff to do a little testing with, see if it compares to Varget for accuracy in .223. 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. The LabRadar is a new type of device that allows you to measure muzzle velocity within at least +/- 0.1% of the reading. In modern type guns, 4166 IMR Enduron Powder is a viable powder. This included the top-of-the-line Prometheus Gen II Powder Scale, which is capable of loading to the nearest kernel of powder. 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. Reloading for 223/556 Service Rifle Competition (NRA/CMP bullseye . It may be that if I did more load development I could close the gap. I can imagine you might have a little more difficulty with case volume and fill ratio due to kernel size. IMR Enduron 4166 Powder | On Target Magazine 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. You are using an out of date browser. Subscribe to the free newsletter and do not miss any news or promotions. (SEE: Temperature Effects On Zero on KestrelMeters.com.). 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). I'm very happy with this powder. For example, variation in velocity does NOT appear to be linear across the full range of temperatures. * All prices incl. Please enter your login details below. For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. Load data for 50 loads in caliber 7 x 57 with .284 | 139gr . Find load data for IMR 3031 propellant by clicking the button "Loads for this Powder".More about this powder:A medium burn speed propellant with many uses, IMR 3031 has long been a favorite of 308 Match shooters using 168-grain match bullets. This ensured the powder charges were identical for each round of ammo. 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/ 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. 4451 is the medium burning powder, for medium cartridges like the .30-06 Springfield and the .270 Winchester. Menu & Links Be Alert: Publisher cannot be responsible for errors in published load data. The technology in IMRs Enduron line of powders provides four very important qualities that enhance both in-gun and downrange performance. This propellant performs comparably to Hodgdon H4350 but charge weights are materially different. $182.75. Enduron powders are formulated to reduce fouling and to be stable across a wide temperature range. However, due to the super short kernels, metering is virtually as good as a spherical powder. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Reloading 223/ 5.56 for the AR-15 with IMR 4166 - YouTube For this reason, the IMR brand powders truly are Legendary products. _gaq.push(['_setDomainName', '.accurateshooter.com']); ga.src = ('https:' == document.location.protocol ? The Hide Armory. It was less accurate than 4 other powders. Thats because a change in temperature can affect the trajectory or flight path of the bullet in two well-known ways: 1. Clean and inspect the cases, lube and full-length resize/decap, clean, and inspect them again. Thanks, Posted by Phillip Jackson on Aug 1st 2021. then consider IMR 4166. Plain cartridges, in contrast, turned in an average extreme spread of 51 fps. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. First load. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. this stuff is not affected temp at all. 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. 3, tried this powder and same bullet in the grandson's Ruger77 .223. PRBs test team also noticed other interesting trends in the data. IMR 4166 - Ultimate Reloader In this post, I've got some great highlights including the LEE . Youll also find official load data in the Hodgdon 2020 Annual Manual. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. This powder is comparable to Hodgdon H4350. Cant Find Varget for Sale? The Enduron Technology powders are available in one-pound (1 lb) and eight-pound (8-lb) containers from quality reloading retailers. In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. Or maybe have QuickLoad data? of 4166 in Peterson SRP brass topped with 168 gr SMK's seated 0.010" off gave me great performance. I don't see any info for the A-Max though. It is also outstanding in cartridges like the 444 Marlin and 7.62 X 39. IMR 4166 in .223. - 24hourcampfire Sign up to get updates and access to exclusive promotions. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. Importantly, it seems to be a good substitute for unobtanium Varget powder. Minuteman. 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. bolt reload data with 65 gr. IMR 4064 or IMR 4166 | Shooters' Forum We place limited powder inventory for sale on a regular basis on our website. One member wrote: in my 6.547 IMR 4166 gives speeds and accuracy pretty much exactly the same as Varget. And other shooters have observed reduced copper fouling with Enduron series powders, so IMRs Enduron anti-fouling chemistry does seem to work.