Spike's Tactical 16" ST-FN CHF 5.56 Barrel With Gas Block

These Amazing New Spike's Tactical FN Cold Hammer Forged barrels are extremely durable with a 20,000+ round service life! They are turned to ST's New Optimum barrel Profile. This New profile is lighter than government profile but beefier than a lightweight profile, it's an "Optimum" profile. It weighs 26.4oz with the M4 Barrel extension and no FSB. The barrels have a .750" gas block seat with a properly sized gas port and the muzzle is threaded perfectly concentric to the Bore with 1/2x28 threads. Chrome Lined.

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