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  1. E

    .308 barrel extension OD dimensions

    Am Looking for DPMS .308 barrel extension outside diameter dimensions and linear dimensions. Do not need the feed ramp dimensions for a solid model I am drawing. Any help would be greatly appreciated.
  2. E

    AR-15 Upper Blueprints Needed

    Hello all, I am a machinist looking for prints for an AR-15 upper, preferably government prints. I've looked and looked and can only find a set of solid models, which may or may not be to spec. Anything will help. Tks, Ed
  3. E

    .308 projectile dimensions

    Hello all, brand new member here. I own a machine shop in Deland, Florida and have a friend who makes AR-15 lowers that wants to sell solid .308 and .50 caliber projectiles. I, being a machinist need a print, something with dimensions. Does anyone have such info? Also, what would be a fair...