Description
The TacFire SS-RK556 rifle build kit contains- 16" 5.56 Nato, M4 contour barrel/nitride; birdcage flash hider w/crush washer; 15" MLOK free float handguard; AR15 5.56/.223/.300 AAC stripped billet upper receiver w/M4 feed ramps/.556 Mil-Spec charging handle aluminum w/steel latch; dust cover; AR-15 forward assist; AR-15 standard receiver end plate; Mil-Spec/commercial castle nut/steel; buffer tube aluminum; AR 15 3 oz buffer w/tube spring; AR-15 USA made lower parts kit and a AR-15 standard A2 style black pistol grip/A2 style. *Sports South Exclusive.
Products specifications
| Material | Aluminum |
| Finish | Black Nitride |
| Action | Semi-Auto |
| Model | Lower Parts Kit |
| Thread Pattern | 1/2"x28 |
| Trigger | Mil-Spec |
| Finish | Black Nitride |
| Model | Lower Parts Kit |
| Material | Aluminum |
| Action | Semi-Auto |
| Trigger | Mil-Spec |
| Thread Pattern | 1/2"x28 |