The KAK OE-SPEC barrel is a 16-inch 5.56 NATO barrel for AR-15 builds, made in house by KAK Industry from its own 41V50 chrome moly vanadium blanks. It has a medium profile, a mid-length gas system with a .750 gas block journal (dimpled for the set screw), M4 feed ramps, a 1:7 twist and a 1/2-28 threaded muzzle. The bore and chamber are chrome lined and the exterior is phosphate finished. Each barrel is air-gauge inspected and headspace checked, and it is marked for caliber and twist.
- Manufacturer Part # : MO-121-0212-010
- Type : AR-15 Barrel
- Fits : AR-15
- Chamber : 5.56 NATO
- Barrel Length : 16"
- Gas System : Mid-Length
- Gas Block Journal : .750"
- Muzzle Thread : 1/2-28
- Material : 41V50 Chrome Moly Vanadium
- Profile : Medium
- Barrel Extension : M4 Feed Ramps
- Finish : Phosphate, Chrome Lined Bore and Chamber
- Weight : 29.97 oz
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