16″ 5.56 M4 RIFLE BUILD KIT – BLACK

16″ 5.56 M4 Rifle Build Kit – Black

AR-15 5.56/.223 16″ M4 classic tactical rifle kit contains all components to complete your AR-15 Rifle build. The rifle kit comes WITHOUT 80% lower receiver. All options and modifications to your kit are available on top of this page.  All components are Mil Spec and made in the USA.

Barrel: 16” Chrome Moly

Chamber: 5.56 NATO

Twist: 1 in 8”

Thread: 1/2×28

.750” Gas Block Diameter

Carbine Gas System

M4 Flat top upper receiver

Forward Assist

Ejection Port Cover

A2-style Flash Hider

10″ Quadrail free float tube and nut

M16 Bolt Carrier Group

AR-15 Charging Handle

AR-15 Mil Spec Lower Parts Kit

M4 6-position Black Stock

Barrel: 16” M4 government profile Chrome Moly with 1:8 twist, M4 Feed Ramp, 5.56 NATO, phosphate processed with a carbine gas system. Barrel is finished off with carbine length quadrail free float handguard made from aircraft grade aluminum and hardcoat anodized and A2 style flash hider with crush washer.