Rosco Manufacturing Bloodline 8.2" 300 BLK Heavy 1:7 Twist Black Nitride Pistol Barrel

Rosco Manufacturing Bloodline 8.2" 300 BLK Heavy 1:7 Twist Black Nitride Pistol BarrelThis Rosco 8.2" 300 Blackout Bloodline Barrel was designed for SBR and Pistol use with suppressors. It is the shortest we will offer to allow you the flexibility of a shorter Personal Defense Weapon (PDW) without sacrificing performance or ballistics. ALL NFA RULES APPLY!Our Rosco 300 Blackout barrels were created using input from SOCOM end users and some of the original creators of the 300 Blackout caliber. Every barrel was designed to optimize the original role for this caliber; to be suppressor-friendly and accurate. Our goal is to get you the performance you seek out of these AR-15 barrels when running sub-sonic or supersonic ammo (depending on barrel length). Twist rates, gas port diameters, and lengths were all considered when we set out to make these. Let's say that we don't like leaving things to chance.Specifications Barrel Length: 8.2" Barrel Weight: 17.73 oz Barrel Material: 4150 CMV Barrel Caliber: 300 BLK Barrel Profile: Heavy Twist: 1:7 Barrel Thread: 5/8 x 24 Gas Block Size: .750 Gas System Length: Pistol Barrel Crown: 11 Degree Barrel Finish: Nitride Barrel Extension Finish: Nitride