Product Description The TacFire AR-15 Complete Pistol Build Kit is the ultimate all-in-one solution for builders looking to complete their AR platform pistol build with confidence. Chambered in 9mm Luger and featuring a USA-made 4.5-inch barrel with a 1/2x36 thread pattern, this kit bundles every essential component needed to finish a lower receiver and assemble a fully functional upper. From the Mil-Spec upper receiver and slim free-float M-LOK handguard to the complete lower parts kit and pistol buffer tube assembly, TacFire has packed everything you need into one convenient package. The matte black finish provides a classic, durable look suited for range use and personal defense applications alike. Product Highlights USA-made 9mm Luger 4.5-inch barrel with government profile and 1-10 twist rate for reliable 9mm performance in a compact AR pistol format Complete kit includes Mil-Spec upper receiver, 9mm bolt carrier group, Mil-Spec charging handle, dust cover, and forward assist for a ready-to-assemble upper Slim free-float 4-inch M-LOK handguard allows for accessory attachment while reducing weight and improving heat management Full lower build components included: complete lower parts kit, Mil-Spec pistol buffer tube with foam cover, heavy buffer, buffer tube spring, castle nut, and standard receiver end plate 1/2x36 thread flash forwarder/sound forwarder brake included; matte black finish throughout for a uniform, professional appearance Specs Brand: TacFire Caliber: 9mm Luger Barrel Length: 4.5 in Barrel Profile: Government Barrel Twist Rate: 1-10 Thread Pattern: 1/2x36 Handguard Length: 4 in Handguard Type: Free-Float, M-LOK Bolt Carrier Group: Mil-Spec, 9mm Charging Handle: Mil-Spec Buffer Tube: Mil-Spec Pistol Buffer Tube, Aluminum with Foam Cover Finish: Matte Black Gun Platform: AR-15 / AR Platform Magazine Included: No Material: Steel / Aluminum Muzzle Device: 1/2x36 Thread Flash Forwarder Color: Black MPN: SSPK9MMLPK4 UPC: 745559515864 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>