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Accurate 2520 loads

This is a discussion on Accurate 2520 loads within the Ammunition forums, part of the M14 M1A Forum category; I bought a sealed 8 lb. jug of Accurate 2520 at a garage sale. Does anyone use this powder for loads in the M-1A? I ...


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Old May 26th, 2008, 06:15 PM   #1
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Accurate 2520 loads

I bought a sealed 8 lb. jug of Accurate 2520 at a garage sale.
Does anyone use this powder for loads in the M-1A?

I will be useing mil. cases, CCI 34 primers, 150 gr. mil. sur.
bullets.

This will be used in SA M-1A std.

Thanks for the info.

Ken in nw Mt.

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Old May 26th, 2008, 07:08 PM   #2
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ACC 2520 ball powder, I'd

start with:

41.9 gr giving you 2,472 fps

the MAX is:

46.5 gr giving you 2,809

but remember: you are using mil brass (heavier walls, ergo, smaller case size--start out light (41 gr) and work your way up)

I love the stuff--it meters like a dream in my Lyman Powder Measure + it's got the proper "pressure curve" for gas guns like our beloved M14/M1A.
http://www.accuratearms.com/data/2520.htm

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Old May 26th, 2008, 08:54 PM   #3
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AA2520 may meter like suger just like other ball type powders but ball powders are the worst for temp stability. I myself stick with both of the 4895's, Varget, IMR3031, 4064 these powders are alot less temp sensitive.

This is just my .02 but when your 8lbs is gone move on too a new powder.

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Old May 26th, 2008, 09:49 PM   #4
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I have had great luck with AA2520. Never had any problems with over pressure due to high temps.

But Ilive in Hawaii and it don't really get too hot. Like say... Arizona or New Mexico or Texas

91 degrees is a very hot day here.

Accurate has a great on line data chart.

I recommend you take a gander!

http://www.accuratepowder.com/data/A...ublication.pdf

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Old May 27th, 2008, 03:16 PM   #5
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I have used AA2520 in a Rem 700 that I accurized myself. Hands down the best load for it was 43.5 gr with a 168gr SMK. Regulary shot 1.5"-1.0" at 300 yards with it.

It should work well in your M1A with the right load.

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Old May 27th, 2008, 04:43 PM   #6
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AA 2520 loads

Thanks for the replys. Shot some 42.0 gr loads and 5 shots were 1.5 in. at 100 yds. All rds. ejected ok. No signs of over pressure.
The next loads will be 44 grs. with Nosler 155 gr bullet.

This is a great sight. Hope it stays around forever!

Ken in nw Mt.

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Old May 27th, 2008, 04:43 PM   #7
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What a find. I use 42gr behind 150gr bullets in my M1a NM and she shoot less then 1 inch at 100 yards from the bench.

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Old May 28th, 2008, 07:01 AM   #8
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Using Aa2520 Powder

Quote:
Originally Posted by Nazgul View Post
I have used AA2520 in a Rem 700 that I accurized myself. Hands down the best load for it was 43.5 gr with a 168gr SMK. Regulary shot 1.5"-1.0" at 300 yards with it.

It should work well in your M1A with the right load.
The load you quoted here have you chronoagraphed it and checked it's FPS in your rifle/rifles. What does it do @ 100 yd's aposed to three hundred. I would think if you got that good results @300 then it should shoot one hole groupes @100 yd's. I have been trying to find a factory duplication load for the Federal Gold Metal Match 168gr. So far using Federal onced fired factory brass that i bought a case of loaded ammo and using there match primers,(210M) and Sierra's 168MK same one federal uses but i haven't figured out what powder they are using. I took one factory round apart and weighed the powder charge and it weighed 44.5 gr's. I tried matching it to other powders and it looked exactly like Winchester 748. It is a ball powder and everything looked the same as far as color, texture etc. I tried that load but it did not come that close to the factory. Speaking of the factory i can get five shot group's in a nickel size @ 100 yd's in my M1A Super Match. It is so consistant and so accurate it's hard to believe i get that tight a group with just the iron sights that are on the rifle. All that being said let me know your results and or info in regard to this question. Thanks, Rick Sr.59

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