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- All NFA/ATF Rules Apply
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Rosco Purebred 8.2″ 300 Blackout Barrel
All ATF/NFA Rules Apply – See NFA tab for details
This Rosco Purebred 8.2” 300 Blackout Barrel was designed for SBR/ Pistol use in conjunction with suppressors. This is the shortest that we will go to allow you the flexibility of a shorter Personal Defense Weapon (PDW) without sacrificing performance or ballistic performance.
Rosco Manufacturing’s “Purebred” series is a testament to precision and quality manufacturing. We took a step back to see how we could create a barrel line that would be a culmination of all the lessons learned through years of making barrels for several OEM’s. The result is a barrel that will produce results out of the box for any shooter that is looking to take their skills above and beyond. All of our Purebred barrels are made from scratch in our Rhode Island facility and start life as a blank piece of 416R stainless steel.
Arm or Ally is proud to add Rosco Manufacturing to our wide selection of AR Barrels from Ballistic Advantage and Faxon. If you just starting to build your own custom rifle, see our our growing selection of AR parts, to include receivers, bolt carrier groups, muzzle devices, and more in our AR parts department. Are you a reloader, or considering becoming one? We offer a large selection of bullets and brass to choose from.
Manufacturer: Rosco Manufacturing
Part #: PB-82-HB-300BLK-7-P
Caliber: 300 Blackout
Material: 416R Stainless Steel
Barrel Extension Finish: Nickel Boron
Finish: Bead Blasted
Gas System Length: Pistol Length
Gas Block Diameter: .750″
Twist Rate: 1:7 inches
Muzzle: 5/8 x 24 threaded
Weight: 17.49 oz
|Dimensions||9.2 × 3 × 2 in|
|Gas Block Diameter|
5/8 x 24
416 Stainless Steel
Barrel, Upper Receiver Parts
You may use this barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this barrel along with a Non-NFA lower receiver is Prohibited, except when installed on a Pistol configuration firearm.