Rosco Manufacturing Bloodline 16" 5.56 1:7 M4 Carbine Gas System Barrel SBN

Rosco Manufacturing Bloodline 16" 5.56mm M4 profile barrel with a 1:7 twist rate and carbine gas system. The outside of the barrel has a black salt bath nitride finish and the inside of the barrel also has a salt bath nitride finish.

Caliber	5.56 NATO
Barrel Length	16"
Twist Rate	1:7
Gas System	Carbine Length
Barrel Profile	M4
Inside Finish	Black Salt Bath Nitride
Outside Finish	Black Salt Bath Nitride
Material	4150 Steel
Barrel Weight	28.97oz
Diameter At Gas Port	.750"
Muzzle Thread	1/2x28 TPI (Threads Per Inch)