Expo Arms 9mm Barreled Upper Receiver Group - 5.5"

The Expo Arms 9mm upper receiver group can be attached to a lower receiver to build a capable and versatile 9mm carbine. This blowback upper receiver features a 5.5" barrel, a 4" M-LOK handguard, a 1/2x36 threaded muzzle, and a flash hider. Because the charging handle and bolt carrier group are not included, users can personalize their 9mm pistol caliber carbine to achieve Expo Arms’ performance standards.

Features:

• AR-9 barreled upper receiver
• Barrel length: 5.5"
• Gas system: blowback
• 1/2x36 threaded muzzle
• 4-inch M-LOK handguard
• Flash hider
• BCG not included
• Charging handle not included