AR-15 5.56 16" sabre defence mid-length barrel 1-9 twist

AR-15 16" sabre defence mid-length barrel 1-9 twist. CHAMBERED IN 5.56 NATO (ALSO ACCEPTS .223 ROUNDS).

• MADE FROM 4150 CMV STEEL HARDENED TO 26-32 RC AND STRESS RELIEVED.
• BLACK PHOSPHATED COATED
• MID-LENGTH LENGTH GAS SYSTEM
•  1-9 RH TWIST BUTTON RIFLED.
• CHAMBERED IN 5.56 NATO (ALSO ACCEPTS .223 ROUNDS).
• .750" DIAMETER UNDER GAS BLOCK.
• 1/2-28 STANDARD THREADED MUZZLE END TO ACCEPT MUZZLE BRAKES/COMPENSATORS.
• COMES WITH BARREL EXTENSION AND EXTENSION PIN INSTALLED. THIS BARREL ALSO HAS THE GAS PORT HOLE PRE-DRILLED. BARREL EXTENSION HAS THE M4 FEEDRAMPS.