Rosco Mfg Bloodline 12.5” 5.56 NATO


This 12.5” Rosco barrel is designed to bridge the gap between SBR-Pistol and/ or RECCE platforms and delivers amazing precision performance for its compact size. It is the perfect addition for the person attempting to create the ultimate intermediate patrol platform.

Out of stock

SKU: PL_1693931318 Category:
Brand:Rosco Mfg


Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters requirements. From properly managed dwell times for SBR’s, to running suppressed, or setting up a balanced patrol carbine Rosco has incorporated your needs into their engineering. They have successfully accomplished this by picking the right twist rates, gas port diameters, and barrel materials according to the barrel we are making (not a lazy blanket method).


Barrel Length12.5″
Barrel Weight21.79oz
Barrel Material4150 CMV
Barrel Caliber5.56
Barrel Profile




Barrel Thread

1/2 x 28

Gas Block Size


Gas System Length

Carbine Length
Barrel Crown

11 Degree

Barrel Finish


Barrel Extension Finish



Rosco Mfg

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