Product Description
MCS AR-9 5" INCH 9MM PISTOL UPPER 1:10 FREEFLOAT M-LOK HANDGUARD
The AR-9 Upper Build Kit is built around a 5-inch 9mm BC-9 direct blowback barrel with a pistol-caliber billet upper receiver and a 4-inch K-style free-float M-LOK handguard.
Platform: AR-15 / AR-9
Caliber: 9mm
Operating System: Direct Blowback
Barrel Model: BC-9
Barrel Length: 5"
Barrel Caliber: 9mm
Barrel Profile: Slim Profile
Barrel Finish: Parkerized
Barrel Twist Rate: 1:10
Barrel Thread Pitch: 1/2x36
Upper Receiver: Pistol Caliber AR-15 Billet Upper Receiver
Upper Receiver Material: 6061 Aluminum
Handguard Length: 4"
Handguard Style: Ultra-Lightweight Minimalist Handguard
Handguard Design: K Style
Handguard Mounting System: M-LOK
Anti-Rotation Tabs: No
Muzzle Device Manufacturer: MCS
Muzzle Device: 9mm Mini Compensator
Muzzle Device Thread Pitch: 1/2x36
Crush Washer: 1/2" Black Crush Washer
