AR-15 5.56/.223 16" M4 Classic Tactical Rifle Build Kit / Quadrail

AR-15 5.56/.223 16" M4 Classic Tactical Rifle Build Kit / Quadrail

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 USA by Moriarti Arms.

Barrel: 16” 4150 CMV, M4 Profile

Chamber: 5.56 NATO 

Twist: 1 in 8”

Thread: 1/2x28

.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 4150 CMV 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 made from aircraft grade aluminum and hardcoat anodized and A2 style flash hider with crush washer.

Upper: 7075-T6 M4 upper is flat top, precision machined and hard coat anodized.  

Bolt Carrier Group: M-16 5.56/.223 complete bolt carrier assembly, chrome lined, made from 8620 steel. Bolt is made from 9310 steel and stalked per mil spec. MPI Tested. Comes complete with cam pin, firing pin and firing pin retainer.

Lower Build Kit: Classic AR-15 lower parts kit, Mil-Spec, A2 grip. Includes everything you need to turn your 80% stripped lower into a complete lower.

Stock: M4 LE carbine 6-position black stock, Mil-Spec. Completed with AR-15 buffer tube assembly and spring.

Please Note: Comes unassembled. Barrel may come in with 1:7 or 1:8 twist, depending on stock availability. Images may not be an exact representation of the product.This rifle kit is not an FFL item - some machining is still required on 80% Lower Receiver.