AR-15 300 AAC Blackout 7.5" Pistol Build Kit / Knurled Muzzle / Stabilizer Brace This kit contains all components to complete your AR-15 project. 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: 7.5” Heavy Barrel, parkerized finish
Chamber: .300 AAC
Twist: 1 in 7”*
.750” Gas Block Diameter
Pistol Gas System
M4 flat top upper receiver
Ejection Port Cover
Knurled Muzzle cone
7" super slim free float - mlok
M16 Bolt Carrier Group
AR-15 Charging Handle
AR-15 Mil Spec Lower Parts Kit
AR15 Pistol Buffer Tube Kit with stabilizing brace, all ATF approved.
Barrel: 7.5” Heavy Barrel, parkerized finish, chambered in 300 AAC. 1-7 twist. Pistol Gas system with .750 gas block diameter. Barrel is finished off with 7" aircraft grade aluminum free float super slim mlok and knurled muzzle cone.
A3 Upper: Forged 7075-T6 M4 upper is flat top, precision machined and hard coat anodized. CNC machined to mil spec tolerances. These uppers are made for us in the USA by a mil-spec manufacturer.
Bolt Carrier Group: M16 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: Pistol Buffer Tube with buffer and spring, finished off with stabilizing brace
Please Note: Comes unassembled. Standard kit is DPMS compatible. Design of rail may differ based on stock availability, the same excellent quality. Twist may interchange between 1x7 and 1x8, based on stock.