COLT COMBAT ELITE COMMANDER 45 ACP FOR DUMMIES

Quoted: On this display screen grab from your SAS vid, the pivot pin boss confident appears to be reprofiled to me.  Both radii happen to be Lower    The "C" within the barrel would show a chrome chamber only barrel. But AFAIK, Colt marked the "C" up near the muzzle on their early barrels, not beneath the handguards. Pic of Front Sight Foundatio