BROWNELLS - AR15/M16/308AR BARRELS - 16'' 300 Blk Med Carbine Gas Barrel

AR15/M16/308AR Barrels in various calibers machined and finished to Brownell’s specifications right here in Iowa Features: 16'''' 300 Blk Med Carbine Gas Barrel Quality AR15/M16 barrels available in a variety of chamberings including 300 Blackout, 5.56x45mm, 223 Wylde, 223 Remington & 308 Winchester Available in a wide variety of contours and gas systems to meet your needs Select barrels finished with a matte, black nitride finish for superior hardness, lubricity and ease of cleaning Barrels are machined from 416R gun barrel steel 300 Blackout barrels feature a 1-8 twist, for excellent performance with sub-sonic rounds 5.56x45 barrels feature a 1-7 twist, for improved performance with military 62gr and heavier bullets 18” & 20” 5.56 & 223 Wylde barrels feature a 1-8 twist, for use with a wider variety of bullet weights 24” 223 Remington varmint barrel has a 1-12 twist, for lightweight varmint bullets 308 barrels utilize a 1-10 twist for use with the widest variety of bullet weight 223 caliber barrels use a ½-28 thread, while the 30 caliber barrels utilize a 5/8-24 threaded muzzle M4 contour 14.5” barrel is machined from 4150 chrome moly steel All barrels are precision button rifled NOTE: The two LW barrels (080-001-013, 080-001-015) are 0.625” OD at gas block, while ALL others are 0.750” OD at gas block