300 AAC BLKOUT BARREL 5.5 IN

(Item Code:  300M7T-5.5)

300 AAC BLACKOUT CALIBER

STAINLESS STEEL 416R

ROCKWELL C 30-32

7 TWIST POLY RIFLING

MEDIUM CONTOUR

V SEVEN ULTRA MATCH LAPPED

5/8 X 24 THREADS

PORTED FOR SUPERSONIC AMMO

BARREL EXTENSION FEATURES TRUE 30 CAL IMPROVED, EXTENDED FEED RAMPS & MELONITE BLACK FINISH

WEIGHS 15 OZ W/ GAS BLOCK

SHIPS WITH 17-4 STAINLESS PIN-ON GAS BLOCK (Proprietary gas block height manufactured to match the straight V SEVEN gas tube)  & PROPRIETARY INCONEL STRAIGHT GAS TUBE 

CENTER OF BORE TO TOP OF GAS BLOCK IS .975 INCHES

LIFETIME WARRANTY

NO FLUTING OPTION ON THIS BARREL

**PORTED FOR SUPERSONIC AMMO ONLY.

**EXT-gas tubes do not fit with Aero Precision Enhanced Upper Receivers (M4E1 & M5E1), Mega Arms billet uppers, or Seekins Precision SAR Handguards.

**Carbon fiber or round handguards that do not have the gas block notch may not clear the tall proprietary V Seven gas block on this barrel.

We recommend using our 5.7" Enlightened or Ultra-Light Handguard (KeyMod & M-LOK available)