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Yes it does and it is a Gen 2 Brand: Kel-Tec UPC: 640832004441 MFR #: SUB2K9BRTA92BGRNHC see ****Specifications and Features: Kel-Tec SUB-2000 ********G2 SUB2K9BRTA92BGRNHC Semi Automatic Rifle - Pistol Caliber Carbine 9mm Luger 17 Rounds 16.25" Barrel with 1:10 Twist ***********Threaded Muzzle with 1/2x28 TPI Uses Beretta 92 Magazines M-LOK Compatible Polymer Forend with Top and Bottom Picatinny Rail Three Position Adjustable Stock Gator Grip Texturing Ergonomic Charging Handle Adjustable Fluorescent Front Sight Ghost Ring Rear Sight Crossbolt Safety OD Green Overall Length 30.5" Weight 4.25 lbs Unloaded

Silas, this Gen 2 Sub 2000 has a 1/2x28 TPI Threaded Barrel.