AR-15 5.56/.223 14.5" Tactical Build Kit / Quadrail / LE Stock
Product Code: MA556KIT145
AR-15 14.5" 5.56/223 premium quad tactical pistol kit. This kit contains all components to complete your AR-15 build. The kit comes WITHOUT 80% stripped 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: 14.5” Contour, Nitride Coated
Chamber: 5.56 NATO /.223 Wylde
Twist: 1 in 7”
.750” Gas Block Diameter
Carbine Gas System
Flat top upper receiver
Ejection Port Cover
A2 flash hider
Quadrail Free float tube and nut
M16 Bolt Carrier Group
AR-15 Charging Handle
AR-15 Mil Spec Lower Parts Kit
Mil Spec LE M4 6-position Black Stock
Barrel: 14.5” M4 Contour with 1:7 twist, M4 Feed Ramp, Carbine Gas System, 5.56 NATO Chamber (can shoot both rounds, 5.56 and .223), machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated. Barrel is finished off with hard coat anodized quadrail carbine length handguard and A2 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: M16 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 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