Special Ops Tactical 16" Midlength .223/5.56 Upper Receiver Group

New Special Ops Tactical 16" Midlength Upper Receiver Group. Includes complete bolt carrier group, Magpul MOE hand guards and charging handle. These quality Upper Receiver Groups feature MP tested AR15 bolt carrier groups, M4 barrel extensions with extended feed ramps, 16" 1:7 twist 4150 CMV Barrel and much more. More Information: 4150 CMV B11595E Mil. Spec. Rated Steel 16" Barrel Mil. Spec. 1/7 Twist Rte M4 Barrel Extension with Extended Ramps Shot Peened Bolt AR15 Bolt Carrier Group with Properly Side Staked Gas Key Carrier and Key 5.3.1.2 Mil-Std-171 Exterior with 1.2.2.2 Mil-Std-171 Inner Carpenter 158 Bolt / 8620 Tool Steel Carrier Black Extractor Insert A4 Receiver with Mil-Spec Picatinny Rail and M4 Feed Ramps Precision Machined Tolerances to Mil-Spec 5.56mm NATO Chamber Properly Headspaced Taper Pinned Mil-Spec F-Marked Front Sight Base 304 Stainless Steel Gas Tube 5.3.1.2 Mil-Std-171 Phosphate Barrel and Under Front Sight BAse Goverment Profile Barrel