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This Rosco Manufacturing 300 Blackout Bloodline Barrel was designed for SBR and Pistol use in conjunction with suppressors. This is the shortest that Rosco Manufacturing will go to allow you the flexibility of a shorter Personal Defense Weapon (PDW) without sacrificing performance or ballistics.image

Rosco Manufacturing 300 Blackout barrels were created by using input from SOCOM end users and some of the original creators of this caliber. Every barrel was designed to optimize the original role for the 300 Blackout; to be suppressor friendly and accurate. It is Rosco Manufacturing goal to get you the performance that you seek out of these AR15 barrels when running sub-sonic ammo or supersonic ammo (depending on barrel length). Twist rates, gas port diameters, and lengths have all been taken into account when we set out to make these. Lets just say that Rosco Manufacturing dont like leaving things to chance.

Specifications for Rosco Manufacturing Bloodline .300 AAC Blackout Barrel:
Manufacturer:Rosco Manufacturing
Fabric/Material:4150 CMV Material
Cartridge:.300 AAC Blackout
Barrel Profile:Heavy
Threads per Inch:5/8x24
Barrel Material:4150 Chrome Moly Vanadium
Gun Make:AR Platform
Gun Model:AR-15
Gas Block Journal Size-Length:0.75 in
Gas System:Pistol Length
Gun Type:Rifle

Rosco Bloodline 16" Heavy Barrel 300BLK



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