The Rock River Arms LAR-BT9G CAR A4 in 9mm Luger (MPN BT91850) is a semi-automatic pistol-caliber carbine built for right-handed shooters, pairing a threaded 16-inch barrel with a 1:10 twist rate. Rock River Arms builds the LAR-BT9G with a polymer drop-in handguard and Glock-magazine compatibility, and finishes the black aluminum receiver to match the black polymer furniture. The carbine wears an RRA 6-position tactical stock and a black Hogue rubber grip, and uses a safety selector switch. Among AR-platform rifles in the AR rifles category, the LAR-BT9G favors shooters who want a Glock-magazine-compatible 9mm carbine from an established AR manufacturer.

Key Specifications

• Chambered in 9mm Luger with a 1:10-inch twist rate.
• Features a threaded 16-inch barrel.
• Accepts Glock-pattern magazines.
• Includes a polymer drop-in handguard.
• Wears an RRA 6-position tactical stock.
• Fitted with a black Hogue rubber grip.
• Uses a safety selector switch.
• Built for right-handed shooters.
• Operates as a semi-automatic rifle.

Frequently Asked Questions

What magazines does this carbine accept? Glock-pattern magazines.

Is the barrel threaded? Yes, the 16-inch barrel ships threaded.

Buy the Rock River Arms LAR-BT9G

A Glock-magazine-compatible 9mm carbine from an established AR manufacturer is exactly what the LAR-BT9G delivers. As soon as it is ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.