Originally posted by CastorTroy
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Wolf classic steel case loaded with ARComp and 129 gr. Hornady SP
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So I took on the project of pulling wolf military bullets for use in fireforming a bunch of 7.62x39 cases. $5 a box of 20 makes for cheap bullets and the powder can be reused in fireforming as well. Hornady collet bullet puller works well to save the powder.
In measuring bullets and powder, I found out that the ball powder averaged 27.9 grs with a deviation .3 grains. Bullets averaged 100.3 grs with a deviation of 1.4 grs.
Will have to weight out the bullets and group them for better accuracy and consistency.
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Shot some of these loads in my Mini Grendel yesterday. 5 shots into .8 three times in a row. Bullets dug out of my backstop seem a bit more expanded than those from the 16 inch AR upper. Maybe an extra 100 fps does make a difference. Going to run 5 jugs next time.
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If you use the powder and projectile for fire forming 7.62x39 brass, and you attribute the 100gr wolf projectile @ 10 cents, powder charge @ 8 cents, then your fire formed brass has a cost of 18 cents + brass.
This leaves you with a valuation of 5-6 cents for the steel case and primer. Charge with 29 gr of h335 as suggested (8.3 cents) and top it with a good projectile in the 30-35 cent range, and you're left with MOA ammo for 43.5 cents - 49.3 cents.
All together you get MOA steel cased ammo, plinking/fireform ammo, and a loadable piece of brass for as low as 61.5 cents (plus the cost of the 7.62x39 brass).
Does my math seem correct?
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Originally posted by rickt300 View PostJust happened to have a 0-1 inch mike on my bench today so I thought I would check the diameter of the Wolf 100 grain bullet and it comes to .2623 for three. the Hornady 129 grain bullet is .2641. This could be the reason for poor accuracy.
All the US-made 6.5mm bullets are pretty much on the .264" money when I've calipered them.NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
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Rick,
I was trying to see if I could size some hard cast .329 bullets to .309 through a Lee bullet sizing die (.309) so I would not have to buy another bullet mold for a 300 BLK. It was a no go, but after, I tried it in the .329 sizing die and it required some effort to push it through. The bullet had increased in diameter. Maybe your pulled bullets and creative use of a reloading press could turn your .262 bullets into .264 bullets. I think you know enough to be careful. Just an idea.
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