Product Description
MCS AR-9 5" INCH PISTOL UPPER 1:10 9MM FREEFLOAT M-LOK HANDGUARD
AR-9 Complete Pistol Upper | 5" Barrel | 9MM Nitride BCG | M-LOK Freefloat Handguard | Glock & Colt Mag Compatible | Flash Can
The MCS V2 5-inch AR-9 Pistol Complete Upper Build delivers a fully assembled, ready-to-install 9MM upper receiver for compact AR-9 platforms. Featuring a 5-inch BC-9 PCC barrel made from 4150 CrMoV steel with phosphate finish and 1:10 twist rate, 6061-T6 billet aluminum upper receiver with Type III hardcoat anodizing, M-LOK freefloat handguard, 9MM nitride BCG compatible with Glock and Colt magazines, mil-spec charging handle, and 9MM flash can—perfect for AR-9 pistol builds, PCC competition, home defense, and shooters seeking a complete, compact 9MM upper assembly with dual magazine compatibility and premium components.
Caliber: 9mm (9x19)
Barrel: BC-9 5" PCC Barrel, 1:10 Twist, Parkerized, Slim Profile, Direct Blowback, 1/2x36
Barrel Length: 5-inch
Barrel Material: 4150 CrMoV
Barrel Thread Pitch: 1/2x36
Barrel Finish: Phosphate
Barrel Profile: Slim Profile
Barrel Twist Rate: 1:10
Barrel Gas System: Direct Blowback
Upper Receiver: AR-15 Billet Upper Receiver for Pistol Calibers
Upper Receiver Material: 6061-T6 Billet Aluminum
Upper Receiver Finish: Type III Hardcoat Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-LOK Freefloat
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Bolt Carrier: 9MM Nitride Bolt Carrier Group 8620 Alloy Steel – Compatible with Glock and Colt Magazines (External Extractor)
Bolt Carrier Material: 8620 Alloy Steel
Bolt Carrier Finish: Nitride
Muzzle Device: 9mm Flash Can
Muzzle Thread Pitch: 1/2x36
