The Perfect Barrel for Your Next Pistol-Caliber Carbine
The Brownells 10mm Auto AR-15 barrel allows fans of the powerhouse 10mm cartridge to built an AR-style carbine or pistol chambered in their favorite pistol round, enhancing its usability with a new platform.
The Brownells 10mm Auto AR-15 barrel is machined from triple stress-relieved 4150 steel, which features a nitride coating for added strength. Each barrel comes equipped with 360-degree feed ramps and a hand-polished chamber that ensures reliable extraction.
- Features 1:16 rate of twist
- Designed to work with any blowback .40 S&W bolt-carrier group
- Features 11-degree target crown
- Includes threaded muzzle with 5/8x24 TPI thread pitch
The Brownells 10mm Auto AR-15 barrel is completely made in the USA and will require the use of an extra-heavy AR buffer for reliable operation.