AR-15 M4 .223/5.56 Unassembled Basic Rifle Build Kit With 16 Barrel, Bolt Carrier & LPK
Specifications
- Upper receiver (USA made)
- .223/5.56 bolt carrier group (USA made)
- Standard charging handle
- Ejection port/dust cover assembly
- Forward assist assembly
- 16” .223/5.56 carbine barrel 1:8 twist (USA made)
- 1/2 x 28 thread pitch
- Carbine length gas tube
- 0.750 gas port
- Low profile gas block - steel
- Muzzle brake (birdcage design)
- 7 2-piece drop-in quad rail
- M4 feed ramps
- Delta ring assembly
- Handguard cap
- 6-position buttstock with swivel
- Mil-Spec buffer tube
- Buffer spring
- 3.0 oz. buffer
- Steel end plate
- Steel castle nut
- Lower parts kit (USA made)
- A2 pistol grip (style may vary)
DOES NOT INCLUDE LOWER RECEIVER