Foxtrot Mike 16" 9mm Front Charging Complete Upper w/ 4-Port Micro Brake

Foxtrot Mike 16" 9mm Front Charging Complete Upper w/ 4-Port Micro BrakeThe AR-15 uppers on themarket.Features:Caliber: 9MMOperating System: Straight BlowbackBarrel Length: 16" Barrel Twist: 1:10Barrel Material: 41V50 Premium Match Grade 41v50 Barrel, Vacuum Stress Relieved, Melonite Coated with a Honed Chamber Muzzle Device: Micro Blast Diffuser Muzzle Thread: 1/2 X 36 Upper Receiver: Billet Aircraft Aluminum Type III Hard Black Anodizing Handguard: 15" M-LOK Comptabile Handguard, Type III Hard Black AnodizingCharding Handle: 4-Position Front Charge Bolt: 9MM Heavy Bolt Maching from Pre-hard 4342, Machined then Post Vacuum Heat Treated to Increase Hardness, then Coated in MeloniteLength (inches): 25"Weight (lbs): 5.14Firing Pin and Extractor made out of S7 Tool SteelCompatbile with 9MM Glock Style MagazinesLifetime warranty on all Foxtrot Mike Products