Imr 4895 temperature sensitivity

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August undefined, 2024

Witryna1 wrz 2013 · Anyone experience temp sensitivity with IMR 3031 in .308/7.62 loads? Load is for M1A, CCI #34, 41.5GRS IMR 3031, Hornady 150gr fmj. Made these up about a month ago, weather was cool and rounds fired/cycled without a hitch. Fired a few today, weather about 15-20 degrees warmer, rounds felt 'harder' than I remembered, still Witryna10 mar 2024 · The drawback is that the reaction rate of nitroglycerine is sensitive to temperature. Older design double-base propellants have significantly more change with temperature than a single-base propellant lacking nitroglycerine. ... Compare the appearance of the old IMR 4895 and the newer Alliant RL-16. The grains of IMR 4895 …

imr 4895 and temperature - PredatorMasters Forums

Witryna7 kwi 2013 · Double-base powders, unlike single-base (extruded) powders tend to be temperature sensitive, or at least more so. That said, I's back off 1/2 gr. or so. You didn't say what your chronograph readins were at 70°. That should tell you alot. I didn't Chrony at 70, because I wasn't expecting a big difference. I will try it today. Witryna14 sie 2012 · Confirm this if you can: IMR powders are temperature sensitive. I'm looking for specific references OR experienes with IMR-4831 and IMR-4895 in … property ft myers fl

H 4895 vs IMR 4895 - AR15.COM

Witryna26 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 … Witryna9 lis 2009 · Several years back Hodgdons did a velocity spread test from 0-125 F on 7.62x51mm using a 168gr OTM bullet. Their data showed the most temperature … 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. property fund vs reit

IMR 4895 and 308 Shooters

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 … Witryna26 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 in point of impact with the same load in my 6.5mm Creedmor throughout the range of temperatures. Of all the gin joints in all the towns in all the world, she walks into mine. property funds ukWitryna16 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 … property furniture swivel desk

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Imr 4895 temperature sensitivity

Ramshot TAC temperature sensitivity? - 24hourcampfire

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 … 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.

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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) 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 …

Witryna13 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 … Witryna19 paź 2009 · I have been trying to work up a load with several different lots of powders in my 338-06 and 180 gr BT.RL15-2800FPS,4064-2820FPS,varget-2800,VVN550-2870FPS but when I tried BL-C2 I got 2950 which is what the books claim I should get.My Question is some think the powder burns too dirty and I don't know if it is …

Witryna16 wrz 2024 · H-4895 has shorter kernels and will measure though a powder hopper a little better than IMR 4895. As vs pointed out, H-4895 is one of Hodgdon's "Extreme" powders which are less temperature sensitive than the IMR counterparts. If I have a choice, I will always choose a powder that has less temperature sensitivity over one … Witryna13 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 …

Witryna13 lip 2012 · extremely insensitive to hot/cold temperatures. H4198 is outstanding in cartridges like the 222 Remington, 444 Marlin and the 7.62 X 39. Available in 1 lb. & 8 lb. containers. ... IMR 4350 VIT N550 AA 4350 Pressure 70 Deg. F 47,300 CUP 47,200 CUP 51,400 CUP 50,100 CUP 47,100 CUP Pressure 125 Deg. F 47,800 CUP 47,800 CUP …

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 … property fund คือWitryna16 wrz 2024 · Re: Sensitivity questions of IMR 4895 In VA, we also have 40F temp swings in the summer days. I consider IMR-4895 to be fairly temp sensitive. Not as … lady\\u0027s-thumb a8Witryna13 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 … property furniture storeWitryna4 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 … lady\\u0027s-thumb 9mWitryna10 mar 2024 · The grains of IMR 4895 shows the single visible perforation running all the way through the center. The RL-16 only possesses a hint of an indentation where the … lady\\u0027s-thumb 9rWitryna13 lut 2014 · Campfire 'Bwana. S. Joined: Apr 2004. Posts: 40,764. Southern Oregon USA. For a few fellow forum members that MAY use IMR 4198 for some of their varmint cartridges, particularly the 222s and 223s, I was reading in the Hodgdon Annual Manual, under its description that it has added something to make it temp insensitive! lady\\u0027s-thumb 9gWitryna13 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 … property funds in south africa