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This muzzle protector is an improvement over the original bringing the length of the barrel from the muzzle to the trunnion/receiver to 420.471mm which is 16.554 inches so it isn't a sbr. Use lock nuts on the 1/4 in threaded rods to hold in place.
LBRY Tags: fosscad; 3d2a; guns; 3d printing; art
LBRY Tags: fosscad; 3d2a; guns; 3d printing; art