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Imr 4895 temperature sensitivity

Witryna15 kwi 2013 · IMR-4064 is now used in military 7.62 Special Long Range ball, MK 316 MOD 0 using a 175 grain bullet instead of RL-15, because it is a single base powder and less temp sensitive. IMR-4895 was used in 7.62 MATCH, M852 ammunition with the lighter 168 grain bullets. Witryna2 sty 2024 · The AR10 and AR15 gets the IMR 4895. Reloder 15 is good powder for 30 caliber. H4895 is close, but not a direct substitute for IMR4895. ... More temperature stable. The IMR doesn’t have a huge temp swing but is just a tad more temp sensitive. H also has a touch faster burn rate…..nothing that you’d likely notice with the naked …

Is there a list of temp. sensitive powders? - AR15.COM

Witryna16 cze 2011 · I've shot Imr4895 from 90-18 degrees in my Cle kreiger AR. I figure a half grain difference in my 223 loads which is about 50fps. Meaning on a freezing cold day I can use a half grain more powder. I get excellent results in 3 different 223 AR's & a … Witryna11 wrz 2016 · My tests show that IMR 4895 shoots well in my 6mm BR Norma @ 600 yds, 2850 fps. However, it seems that more people are using H 4895. ... The main reason I have not routinely used IMR4895 in loads for competition as yet is a concern about the temperature-sensitivity. According to the temperature data I have found, IMR4895 … corlea songs https://beaumondefernhotel.com

IMR 4895 Temp Stability in the 308 Shooters

Witryna4 lut 2014 · First of all, IMR 4895 is a great powder for the 308. It's worked very well for me with 125 and 150 grain bullets. I do most of my shooting with the 308 in temperatures of 40 degree and lower in preparation for big game hunting seasons so I can't offer much insight on temperature changes for this specific cartridge / powder … Witryna23 lip 2015 · My Powder Temperature Sensitivity Test. Jump to Latest Follow 1 - 4 of 4 Posts. L ... IMR 4895 @ 45.5gr Hot Vel. 2769,2757 Cold Vel. 2798,2793 Avg. Difference (33fps) H4895 @ 44.5gr Hot Vel. 2794,2803 Cold Vel. 2801,2805 Avg. Difference (4fps) Witryna18 mar 2024 · The IMR 4895 had an opposite affect of what I would have thought. I got a sticky bolt and pretty good pressure signs with the cold rounds but not the hot. The … corlears field nyc

Sensitivity questions of IMR 4895 Sniper

Category:How many made the switch from IMR 4350 to H4350

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Imr 4895 temperature sensitivity

Temperature Effects on Gunpowder Explained - Guns and Ammo

Witryna25 reviews. Originally a military powder featured in the 30-06, IMR 4895 is extremely versatile as a medium burn speed propellant. From the 17 Remington to the 243 … Witryna27 sty 2024 · IMO, temp sensitivity has been way over emphasized...especially for a 308. ALL powders are temp sensitive once the temp gets above 80*F. As long as you aren't running redline loads, you will be fine for most work to 800 or beyond. Accurate 2520 is a fine powder, it meters well in my Dillon.

Imr 4895 temperature sensitivity

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Witryna13 sty 2024 · I had compared two of my tests of .223 rem. A 22 F degrees drop (from 42 F to 20 F) resulted in a 155fps drop in muzzle velocity. This is 23gr IMR 4895 with 55 … Witryna29 mar 2024 · Alaska. In testing many years ago with 77s, it was stable enough for 600 yard NTIT shooting groups for us, holding solidly MOA and just under in various uppers/barrel brands for team members. Tested from around 40 degrees to what was likely 125 or so in direct sun and even leaving rounds chambered in a hot chamber up …

Witryna30 mar 2024 · The newer IMR powders are less temp sensitive and have copper eraser additive in the powder. (extreme powder plus copper erasing) H4895 = 0.23 fps … Witryna9 kwi 2011 · bsa1917hunter. Campfire 'Bwana. B. Joined: Aug 2010. Posts: 43,441. Battle Born. Hey guys. I'm a long time IMR4350 user: I have always used it in my 30-06's, 300's, 338 win mag and am considering making the switch to H4350 because it is said to be less affected by temps.

Witryna20 sty 2024 · ImBillT. I don’t put too much emphasis on powders other than the already mentioned temperature sensitive issue. Varget, RL-15, H4895 and N-203b are all perfect for a .308 Win with medium to heavy bullets. IMR4895 might take a slight edge with lighter bullets. Witryna30 sty 2024 · H4895 is close, but not a direct substitute for IMR4895. They started life as different lots of IMR4895. Hornady had one lot, IMR decided to standardize to another lot. Hornady had new lots made to match there original lot of 4895. Commercial loaders and Government Arsenals do not use 'canister grade' powders.

Witryna20 cze 2016 · Bryan specifically cited Hodgdon Extreme Series powders as one of the least temperature sensitive powders he’d used. He also made it clear that no powder is completely insensitive to temperature. Your muzzle velocity WILL vary based on ambient temperature, regardless of what powder you use.

Witryna27 lip 2015 · 1. cold soaked 10 rounds of the (1c) above at -20C for 8 hours, put them in a cooler with thermal mass at -20C. 2. Using a Magnetospeed-V3 Chronograph, I shot 1 shot out of a clean gun, then waited 90s I shot the following sequence: - 1 shot (1c, 5.18gn) @ -20C), wait 90s - 1 shot (1c, 5.18gn) @ +25C), wait 90s corlear bay road real estated new yorkWitryna13 lut 2024 · Had it been based on technology, H4895 would be the winner - smaller granules for improved metering, insensitive to ambient temperature. ETA - I never … fanfiction werewolf boyfriend rated mWitryna26 paź 2015 · Superformance is not rated as temperature resistant. However, from shooting it in 30 and 90 degree weather I can tell you there was no noticeable change … fanfiction wednesdayxtylerWitryna21 lis 2003 · #2457358 - 03/09/13 07:10 AM temp sensitivity IMR vs Hodgdon Extreme?? cowpoke Die Hard Member II Registered: 11/21/03 ... In general how do the IMR versions compare to their Hodgdon counterparts regarding temperature sensitivity? Somewhat different, or way way different? thanks. Top #2457368 - … fanfiction wednesday x tylerWitryna13 sty 2024 · This is 23gr IMR 4895 with 55 gr FMJ from a 1/12 twist rate Rem 700 SPS 26” .223 rem rifle. The 155fps drop seems too much to believe but that was what I got. I am curious how you guys modify your load data over different seasons (temperature conditions). Thank you in advance for any info. Last edited: Jan 12, 2024 … corlears point nycWitryna13 wrz 2011 · kinda new to reloading was wondering, i know varget and imr 8208xbr is not temp sensitive. but can thay be used in a 30-06? next, how sensitive is imr 4350 and imr 4895. i live in FL and can hunt hogs all year, wanting a powder that will hold a 1 inch group @ 100 yards all year without having to change my loads ALL the time. or … corlea wahlWitryna21 sie 2024 · H4895: This powder showed no temperature sensitivity between 34°F and 102°F with 55 grain bullets. It was not evaluated with 77 grain bullets. H335: This … corlea sonvanger