Douglas MK12 5.56 Stainless Steel Barrel 18″ 1/7 Twist (05-556-18D)
Douglas 18″ Cerakoted 416R stainless steel barrel with 1-7 twist and M4 feed ramps.
Barrel is medium SPR profiled barrel, threaded with a 1/2-28 thread for the AE brakes and collar.
This is the barrel designed and profiled for the Mark 12 Mod 0 uppers and rifles.
Gas block area is .750 diameter. Barrel uses a rifle length gas system and is chambered in 5.56 Nato
Barrel does not come with BOLT
