Description CRITERION HAS ACHIEVED THE UNEXPECTED WITH THEIR NEW CHROME-LINED BARREL LINE UP. NO LONGER DO YOU HAVE TO MAKE A CHOICE: ACCURACY OR EXTENDED BARREL LIFE. CRITERION HAS A PROPRIETARY CHROME-LINING PROCESS TO ENSURE THAT YOUR BARREL WILL PERFORM TO TOP TIER ACCURACY AND MAINTAIN A VERY HIGH ROUND COUNT. THESE BARRELS HAVE AN M4 BARREL EXTENSION AND M118 LR MATCH CHAMBER THAT IS COMPATIBLE WITH BOTH 308WIN AND 7.62X51 AMMO. ALL THEIR CHAMBERS ARE FINISHED, HOWEVER BARRELS SHOULD BE HEADSPACED AND INSTALLED BY A QUALIFIED GUNSMITH. GAS LENGTHS ARE DESIGNED TO ACCOMMODATE DPMS TYPE GAS TUBES (STANDARD AR15 TUBES). WEIGHT 2.4 lbs DIMENSIONS 18 x 1.5 x 1.5in LENGTH 18″ CONTOUR/PROFILE Hybrid GAS LENGTH Mid-Length GAS BLOCK DIA. 0.750″ CHAMBER 308 Win M118 TWIST 1-10 # GROOVES 4 Groove MATERIAL SS-416R FINISH Nitride WEIGHT 16″ 2.4 lbs. 18″ 2.6 lbs.
