AR-15 5.56 NATO 16" M4 M-LOK CARBINE RIFLE KIT WITH MAGPUL STOCK AND 12" M-LOK RAIL:

• 16" M4 Profile Barrel
• Chrome Moly barrel
• 5.56 Nato Chamber
• 1 in 7" twist rate
• A2 Flash Hider
• 12" Mlok slim free float rail
• Forged AR-15 upper receiver
• M16 Bolt Carrier Group
• Charging Handle 
• Mil Spec Lower build kit
• Magpul SL Stock

Barrel: 4150V Chrome Moly steel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system. Barrel is is finished off with a 12" mlok rail, low profile steel gas block, and A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized, features a forged upper receiver. These uppers are made for us right here in the USA by a mil-spec manufacturer.

Bolt: Full-auto profile bolt carrier group. Milspec. Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. 8620 steel M-16 profile carrier is chrome lined and nitride coated.

Lower Build Kit: Includes Magpul SL Carbine Stock,  A2 Pistol grip, Classic Lower Parts Kit and Mil-Spec diameter 6-position buffer tube assembly. Everything you need to finish your stripped lower (not included)! Comes unassembled. Does not include Magazine.