AR-15 10MM 10.5" AUTO BARREL 4150 STEEL / NITRIDE

Upper Parts

AR-15 10MM 10.5" AUTO BARREL 4150 STEEL / NITRIDE

AR-15 10MM 10.5" AUTO BARREL 4150 STEEL / NITRIDE

Cartridge: 10 mm Auto

Finish: Black

Length: 10.5"

Muzzle Threads: 5/8-24

Twist: 1-16

Made in the USA BY BROWNELLS

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.