Hello: After getting my casting problems worked out thanks to the forums help i have a question. Would my 220 gr. .312 gas check bullet be viable in a M-1 garand? I have loaded it for a 30-40 1898 Krag and a Remington 1903 A3. Looking through some of the past posts i wonder if this bullet might not be a good idea in the garand. I do have a 170 gr. .311 gas check mold. Would that be a better choice? Three rifles with one mold would be nice if it is safe to do. Thanks in advance, mike
220 gr. bullet for M-1 garand?
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- Last Post 05 January 2023
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I do it. Mine is in 308 though. You may need to seat bullets deep in the case . Might give you a chance to dispel the gas check below the case neck myth. I need to use above 35g of powder to run the action. Match your speeds to that charge and whang away.
I need to use above 35g of powder to run the action.
Not to hi-jack the thread, but what powder were you using at 35 grains?
I tried my .308 Garand with cast for the first time a couple weeks ago. I used the NOE version of the Lyman 311299 weighing 210gr lubed and checked starting with 28 and 29 grains of H-4895. At 29 grains I was getting about 75% reliability of cycling the action. I was going to try 30 and 31 grains the next time out.
I’ve used Winchester 748, IMR 3031 and 4320 and Accurate Arms 2200. I haven’t used IMR 4895 but I understand it may be one of the best for this. I use either a good tough alloy, water dropped wheel weight bullets or oven heat treated and quenched bullets may be needed.
Not a Garand but an AR10 in .308;I used 4227 under a 180gr Lee gc.I don't remember the charges(this was in the early '80s)but I remember the load clocked around 2000fps.Accuracy was minute of 2 liter coke bottle(plastic...not glass)and reliability 100%
I think that H4895 was the powder the Garand was developed with.
A similar burning rate is Best. The pressure curve is what limits bullet weight.
I've used IMR3031, IMR4895 and Varget.
Bullet weights are limited to 150gr -172grs.
I learned to load for the Garand in the 1960's. Lead bullets were not used. I've learned now that lead CAN BE loaded for the Garand.
Used the #311413 over H4895, loads at 60% of maximum. It's a reduced load. Have manually operate the bolt. But You can work up from there.
Long time Caster/Reloader, Getting back into it after almost 10yrs. Life Member NRA 40+yrs, Life S.A.S.S. #375. Does this mean a description of me as a fumble-fingered knuckle-draggin' baboon. I also drool in my sleep. I firmly believe that true happiness is a warm gun. Did I mention how much I HATE auto-correct on this blasted tablet.
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