AR-15 5.56/223 14.5" premium keymod tactical pistol kit

Product Code: MA556KIT145
In Stock
Price: $379.95$499.95

Available Options

Add Lower Receiver:

Add Jig:

Add Magazine:

Rail System Upgrade:

Buttstock Upgrade:

AR-15 14.5" 5.56/223 premium keymod tactical pistol kit. This kit contains all components to complete your AR-15 build. The kit comes WITHOUT 80% machined stripped lower receiver. All options and modifications to your kit are available on top of this page. Upper and 80% Stripped Lower are made from 7075 T-6 Aluminum.  All components are Mil Spec and made in the USA. 

Barrel: 14.5” Contour Nitride Coated

Chamber: 5.56 

Twist: 1 in 7”

Thread: 1/2x28

.750” Gas Block Diameter

Carbine Gas System

Flat top upper receiver

Forward Assist

Ejection Port Cover

A2-style Flash Hider

Free float tube and nut

Bolt Carrier Group

AR-15 Charging Handle

AR-15 Mil Spec Lower Parts Kit

Mil Spec M4 6-position Black Stock

Barrel: 14.5” M4 Contour with 1:7 twist, M4 Feed Ramp, Carbine Gas System, 5.56 Chamber, machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated. Barrel is finished off with hard coat anodized keymod carbine length handguard and A2 style flash hider.

Upper: 7075-T6 M4 upper is flat top, precision machined and hard coat anodized.  These uppers are made for us in the USA by a mil-spec manufacturer.

Bolt Carrier Group: 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. Includes everything you need to turn your 80% stripped lower into a complete lower.

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

Please Note: Comes unassembled. Standard kit is DPMS compatible. Also fits perfectly with Poly (DPMS style) lowers. Due to barrel size, we cannot assemble this kit for you.

All NFA/ATF Rules Apply

You may use this barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this barrel along with a Non-NFA lower receiver is Prohibited, except when permanently attaching a muzzle device extending the length to 16 inches.

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