The Tacfire Rifle Build Kit has everything you need to get your rifle build underway. They only other component you need to complete your build is the lower. All parts kits are included.
The TacFire Rifle Kit contains- 9mm 16" barrel/nitride; 9mm flash forwarder style muzzle brake; slim 7" MLOK handguard 15" w/barrel nut; AR-15 5.56/.223/.300AAC stripped billet upper receiver w/M4 feed ramps, 9MM Gen 2 Hybrid BCG; AR15/.556 Mil-Spec charging handle aluminim w/steel latch; dust cover; AR-15 forward assist; AR-15 standard receiver end plate; Mil-Spec/commercial castle nut/steel; Mil-Spec buffer tube w/aluminum; 5.5oz buffer w/tube spring; Mil-Spec M4 style 6 position stock; AR-15 USA made lower parts kit; AR-15 standard A2 style black pistol grip.