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    Someone With Balistics Program--Help, Please

    .22 Cal., 55gr. Ballistic Tip @ 3800fps muzzle velocity, (don't know bal. coefficient) zeroed @ 200 yds. How much drop at 750 yds.?? Thanks!
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    Current M-16 Barrel Profile Revisited

    There was a recent thread regarding the type of barrels used in current M-16 A-2's. Somebody (I believe it was Badger Arms) replied with a pic that showed a thin barrel under the handguards, with HBAR diameter from the gas block to the muzzle. We were told that was the standard-issue M-16...
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    A few words re: cryo stress relief

    MODERN APPLICATION NEWS MARCH 1998 The Metalworking Idea Magazine Cryogenic Tempering Boosts Parts Life Up to 400% By Larry Olson, MAN editor Rings and pinion gears, valve springs made of H-11 or H-13 steel, and brake rotors for heavy haulers and race cars, have...
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