Specifications
Product Name: Punchline 16-inch AR-15 10MM Rifle Upper Build Kit
Caliber: 10mm Auto
Barrel Length: 16-inch
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Thread Pitch: 9/16x24
Barrel Profile: Government
Barrel Twist Rate: 1:16
Muzzle Device: 10MM/40S&W COMPENSATOR
Muzzle Device Thread Pitch: 9/16x24
Muzzle Device Finish: Phosphate
Upper Receiver Material: Billet 6061-T6 Aluminum
Upper Receiver Finish: Type III Hardcoat Anodized
Ejection Port: Enlarged for pistol calibers
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: Free Float
Handguard Finish: Type III Hard Coat Anodized
Handguard Length: 15-inch