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STD-15 Model 16721 Black 5.56 NATO, 16" Barrel.
Model: STD-15 16721 Caliber: 5.56 Capacity: 30 Barrel Length: 16" $985.00CLICK TO VIEW MANUAL CLICK TO VIEW BLUEPRINTS The Standard Manufacturing Company is proud to offer the 16721 model. Completely built by our master gunsmiths with major components made in-house to unprecedented tolerances. Our...$985.00