Complete AR15 pistol kit with 2nd. gen. recoil kit. Photo shows new 2 gen. fire control group. Kit contains all parts to build an AR pistol less the stripped lower receiver. buffer tube, buffer and recoil spring. 7.5" A4 flattop upper, bolt carrier and charging handle, free float 4" hand guards, Quad rail optional,lower parts kit. Stripped lower receiver not included. 2nd. gen.recoil kit uses a AR carbine recoil spring in a 4" buffer tube, making the weapon 3" shorter. Available in 7.5" barrel in 5.56mm, 7.62x39 and now in 300 Blackout. 1 year warranty. USPS Flat rate box. IN STOCK. Limited Supply. Mag. not included.