SMITH & WESSON M&P 15 AXE 5.56X45MM NATO SEMI-AUTO PISTOL Built to perform under various conditions, the M&P15 AXE pistols are as versatile as they are reliable. Leveraging Gemtech's GVACA(R) upper, the M&P15 AXE Pistol mitigates gas blowback in the face when running suppressed. This lightweight and rugged rifle embodies the best combination of function and form. SPECS Caliber: 5.56 NATO. 11.5" 1:8" twist 5R rifled barrel w/ArmorniteA(R) finish. GVACA(R) direct impingement gas system. 1/2x28 threaded barrel w/Gemtech ETM flash hider. 10.5" Midwest Industries Combat M-LOKA(R) free-floa Mfg: Smith & Wesson