Description
Product Description
5-inch AR-15 9MM Pistol Upper Build Kit from MCS is crafted for reliable performance and ease of assembly. Featuring a 5-inch BC-9 PCC barrel, this upper is chambered in 9mm (9×19) and constructed from durable 4150 CrMoV steel with a phosphate finish. The direct blowback gas system ensures efficient operation, while a 1:10 twist rate optimizes projectile stabilization. The upper receiver is made from lightweight 6061-T6 billet aluminum, finished with Type III Hard Coat Anodization for added durability. An M-LOK handguard, also constructed of 6061-T6 aluminum and finished in black, provides versatility for accessories. The included 9mm Flash Hider A2 Bird Cage enhances muzzle control. With a user-friendly design, this build kit is ideal for gunsmiths and enthusiasts seeking reliability and performance in a compact package.
Specifications
Caliber: 9mm (9×19)
Barrel Material: 4150 CrMoV
Barrel Thread Pitch: 1/2×36
Color: Black
Barrel Gas System: Direct Blowback
Barrel Length: 5-inch
Barrel Finish: Phosphate
Barrel Profile: Slim Profile
Barrel Twist Rate: 1:10
Upper Receiver Material: 6061-T6 Billet Aluminum
Upper Receiver Finish: Type III Hard Coat Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Upper Receiver Name: 9mm 6061 Billet Upper Receiver
Barrel Name: BC-9 5″ PCC Barrel
Muzzle Device: 9mm Flash Hider A2 Bird Cage
Muzzle Thread Pitch: 1/2×36
