AR15 - 5.56 NATO - Custom Contour - .625 Journal - Mid Gas System Length - 11.5 - SS - McGowen Precision Barrels

AR15, 5.56 NATO, 1-7" Twist, Custom Contour w/.625" Journal, .076" Gas Port Hole, Mid Gas System Length, 11.5" Long, 1/2" x 28 TPI Muzzle Threads, 11 Degree Crown, Stainless Steel Barrel

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B556CM410.518(SS) - NBS 10.5 416R Stainless Steel M4 Contour Barrel, 5.56 NATO, Carbine Length Gas System w/ 1:8 Twist - AR15Discounts

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AR15 - 5.56 NATO - Lightweight HBAR Contour - .750 Journal - Pistol Gas System Length - 13.75 - SS - McGowen Precision Barrels

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