Caliber: 9 MM Match Grade – Upper Receiver: – Assembled Upper Receiver – AMBI Charging Handle – Glock Style Nitride Bolt Carrier – Barrel: – 9 MM Match Grade Nitride (TRUE 16 Overall Length barrel W/ TCS system) – 9/16 x 32 TPI Thread – 1:10 Twist Rate – Built it Compensator – Lower Receiver: – Complete Lower Receiver – FLAT Olympus9 3-6Lbs Trigger – NU Custom Grip – EXTENDED TAKE DOWN PINS – SAFETY – Muzzle Device: – Built-in Tunable Compensator System – Stock Kit: – BATTLELINK Extreme Duty Minimalist Stock – Short Stroke System 9 MM – Handguard: – 13 Aluminum Jester scalp Rail – MLOK Style – Barrel Nut with Rail Attachment and Screws – Material: 7075 T6 Aluminum – Color: Midnight Bronze Cerakote