https://pro2a-tactical.com/13-7-inch-ar-15-5-56-nato-melonite-upper-pin-weld.htmlUPPER RECEIVER: AR-15 Mil-Spec Machined out of 7075-T6 Forged Aluminum, M4 Feed Ramps, Type III Hardcoat Anodized Black with Forward Assist and Ejection Port Cover Installed
BARREL: 13.7 inch, 5.56 NATO Caliber, 4150 Chrome Moly Vanadium Steel, 1:7 Twist, Medium Profile, Nitride/Melonite Treated - made by Ballistic Advantage
HANDGUARD: 13 inch M-LOK Free Floated, Machined out of 6061 T6 Aluminum – made for us by Bowden Tactical
GAS SYSTEM: Mid Length, Direct Impingement, Stainless Steel Tube
GAS BLOCK: Low Profile Gas Block, Machined out of 4140 Steel
MUZZLE DEVICE: Pro2A Tactical "Flash Guardian" 1/2-28 3 Prong Flash Hider - Pinned & Welded (Barrel now meets the minimum 16 inch legel rifle configuration)
100% MADE IN THE USA
LIFETIME WARRANTY AND SUPPORT*