amer1234Ready for your Block II SOPMOD build. Knights Armament KAC m4 profile barrel. Yes, KAC, this barrel was on a Post Ban SR15 (like old school laser markings type). It has a KAC pin and weld M4QD. ~16 3/8” length. P&W performed by John at retro rifles. The gas block is unknown brand. The barrel nut on it is a Daniel Defense for the RIS II. I have owned this barrel for 20 years, far as I know I’m the only one to ever put rounds down the barrel. Approx 70 rds.
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