Rosco Manufacturing BL-145-M4-556-7-C Bloodline 5.56 NATO 14.50" Nitride 4150 CMV Barrel Fits M4 Carbine Media a durable polycarbonate with NBR

a durable polycarbonate with NBR Long Life rubber armoring

with pre-applied loctite

The Angled Mag Pouch features an ergonomic slanted design

Controlled Fracturing bullets are pre-stressed at specific points so that after a predetermined penetration depth

The low-profile push button makes it harder for blade to accidentally deploy

Rosco Manufacturing BL-145-M4-556-7-C Bloodline 5.56 NATO 14.50" Nitride 4150 CMV Barrel Fits M4 Carbine Media a durable polycarbonate with NBRThis Rosco 14. 5" M4 5. 56 NATO Bloodline Barrel was built around the M4 platform and is designed to be the next evolutionary step in the series. This barrel is perfectly suited for next patrol or duty carbine build.