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GI Brass IMR 4895??

This is a discussion on GI Brass IMR 4895?? within the Ammunition forums, part of the M14 M1A Forum category; Has anyone used GI Brass 4895...I bought 3 jugs of the stuff years ago and want to use it in my NM M1A...called Jeff Bartlett ...


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Old June 12th, 2011, 10:01 PM   #1
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GI Brass IMR 4895??

Has anyone used GI Brass 4895...I bought 3 jugs of the stuff years ago and want to use it in my NM M1A...called Jeff Bartlett (very nice guy) and he said its from russia and fine to use (burning rate wise) So...has anyone used it in an M14??...velocity, accuracy results?? Btw...this stuff has produced some of the best groups I've ever seen in my two bolt guns (308 and 30-06).

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Old June 13th, 2011, 05:22 AM   #2
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I got 6 jugs just before the ammo crash. I have used it in M-1A and it is nice powder. My experience is that it is on the slow side for 4895. You can fill the 308 case up, leave just the min space for seating the 168 bullet, and still not show pressure signs. Functions my gun just fine.

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Old June 13th, 2011, 08:15 AM   #3
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It is on the slow side, more comparable to 4064 in burn rate.

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Old June 13th, 2011, 02:27 PM   #4
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Smile Imr4895

IMR4895 is the same powder used in M118 Match ammunition as well as M852.
Loads should be kept to 2550 FPS when using 168 grain M852 or 173 grain M118 bullets. Usually loads exceeding 40.5 grains of powder will develop excessive pressure in GI brass. I tend to keep my loads about 40.0 grains with 168 grain BTHP bullets in LC match brass.

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Old June 13th, 2011, 06:38 PM   #5
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+1 For Ted's advice.
I believe Jeff's Russian 4895 may be temperature sensitive and from my experience, would recommend developing winter/summer loads and watch for overpressure signs as the summer heats up.
I hear Palma shooters think it is very good and I've gotten good results in cooler times, and overpressure signs..case head failures with the same load as outside temps heat up.

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Old June 13th, 2011, 08:35 PM   #6
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Ive loaded/shot All kinds of mil brass with 43 grains Imr 4895 W/ 150 gr bullets. Its my my most common loading.

Edit: I just noticed you said Russian 4895? not sure that is the same as IMR4895.

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Old June 13th, 2011, 08:52 PM   #7
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I run 40.9grs of IMR 4895 for ~2550 in my M852 clone for my bolt action using KVB primers......in the past a common load recommended was 41-41.5grs with 168BTHP, LC and 210m primer and what I tried when I shot service rifle was 41grs.

With this load I can full-length resize 7-8 Xs before I say the heck with it and chuck the brass.....I could push it more, but why chance it. In a M14 I was told 3-5Xs

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Old June 13th, 2011, 09:55 PM   #8
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I used IMR 4895 for years. I've heard of H4895. But I don't know anything about 'GI Brass 4895'. I must live under a rock. IMO, the best bet for cheaper-than-retail 4895 is to watch Widener's for when they have sales of the surplus IMR4895 from the military.

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Old June 14th, 2011, 12:48 PM   #9
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Thanks so much for the reply! Yeah...Mr. Bartlett said it was popular with the high power competition community. I had heard originally that it was slow so my concern was that it could possibly be slower than 4064 which is the accepted limit of burn rate for the M14... OK well I will test 40.0 and 40.5 gr. w/ a 175 matchking tomorow morn. so I'll post results!! Rifle is an SAI NM built in dec. of 81' so we'll see how it goes!! Thanks to all!!! -JKelly

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Old June 14th, 2011, 06:26 PM   #10
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FWIW: With the Texas Heat and a 175 Matchking, you might want to start even lower at 39 Grains and watch for any overpressure signs.
USGI or Commercial Brass?
Ted Brown just advised me that commercial brass could take about 1-1.5 grains over what a USGI case could handle. I'm listening to him and will be trying 39-40 grains Russian 4895 with a Nosler 168 and wlr primer in virgin Remington Brass. I believe this military pulldown powder may be temperature sensitive.

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Old June 14th, 2011, 09:01 PM   #11
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When the original ad for this powder was up on the GI Brass web site, it was listed as new, not pull down powder, that had been manufactured in Russia. It had a burn rate and grain size very similar to 4895 but slower....closer to 4064. So this is not IMR or H-4895, but powder that was made in Russia, probably for the 7.62 x 54 Soviet round.

Will it work in the .308 M-1A...yes. Is it a very accurate powder...yes. Is it exactly the same as USA made 4895.....NO. But at the time it was reasonably priced and available. So you work your load up slowly and check for pressure signs. When primers start to flatten, back off.

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Old June 14th, 2011, 09:19 PM   #12
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I bought it years ago and load 47 grains in 147/150 g. 30-06 loads for my Garands with good results.

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Old June 14th, 2011, 10:00 PM   #13
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Hirtenberger 79' Brass..I'll be shooting at 8:00am up here in Fort Worth so I hope I'll be ok temp wise...rounds are already loaded 40.0 and 40.5...ten each...not a huge experiment but we'll see!!

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Old June 15th, 2011, 07:03 PM   #14
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I've backed down to 40 grains of it in a once fired USGI LC Case with a WLR and Nosler 168 bthp.

41.5 was too much, significant primer flattening and case heads splits.

41.2 was a little better, with 40.5 still showing some primer deformation.

Hoping the 40. grn loads solves it and give decent accuracy.

Funny thing is...the LRB shoots the 41.5 very tightly, though the primers are flattening out.

But the Supermatch handles hot loads much differently. Of course the LRB also has a SEI M118 Chamber too...maybe that's a big difference.

The quest continues......

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Old June 20th, 2011, 07:17 PM   #15
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I bought 6 jugs several years ago and have 2.5 left. It acts more like 4064 than 4895.

My three M1 Garand loads are

150 gr bullets @ 48.5 grs (2800 fps)

165-168 gr bullets @ 48.5 grs (2700 fps)

180 gr bullets @ 46 grs (2600 fps)

I am slowly building up a supply of IMR 4064 for the sad day when my stock of this powder runs out!

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