AR-15 6.8 SPCII 16" M4 keymod tactical rifle kit is for a Military/Tactical shooter. This is the most economical way to upgrade your standard AR-15 rifle with the 6.8 SPC II modified caliber. This kit contains all components to complete your AR-15 project. The kit comes WITHOUT 80% lower receiver. All options and modifications to your kit are available on top of this page.
Barrel: 16" 6.8 SPC II Nitride coated, CMV
Twist: 1 in 10”
.750” Gas Block Diameter
Carbine Gas System
M4 flat upper receiver
Ejection Port Cover
A2-style Flash Hider
Carbine length quadrail free float rail
Bolt Carrier Group
AR-15 Charging Handle
AR-15 Mil Spec Lower Parts Kit
M4 6-position Black Stock
Barrel: 16" 6.8 SPC II Nitride coated, M4 Style; carbine gas system with .750 gas block diameter. Barrel is finished off with carbine length quadrail free float rail and A2 style flash hider. *
Upper: Forged 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 (DPMS style).
Bolt Carrier Group: 6.8MM SPC II complete bolt carrier assembly, chrome lined, phosphate finish. 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: LE M4 6-position black stock, Mil-Spec. Completed with buffer tube assembly and spring.
Please Note: Comes unassembled. You may choose your handguard preference on top of page.