Annealing

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  • milprileb
    • Oct 2009
    • 3970

    #16
    Originally posted by gwfrench View Post
    The M1A/M14 is known for short case life (head separation). It was designed for full auto, pulling out the brass against resistance. I'm into my 6th reload for my 308 Garand with no issues (without annealing). I keep my friends M1A brass completely separate from my Garand brass, and will check it closely after the 2nd reload (3 firings). Probably toss if it looks at all iffy. Got lots of 308 brass.
    There may be many reasons your 308 Garand allows hand load life exceeding what I get out of my M1A. One may be commercial barrel with better tolerances than my M1A. One reason is your loads may not be as aggressive as my hand loads since I only shoot my M1A at the 1000 yd line, rarely at 800..almost never actually. Aggressive hand loads do have an effect on shorter case life and I see it in head separation symptoms at time of 5th reloading of brass but more accurately I see it almost always that primer pockets too loose after 4th reloading.

    Different rifles , different things going on. For certain, case separation is out there lurking but you know that and what to look for. Your success in case life is attributable to many factors, all good things going on .

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