Moriarti's AR-10 .308 18" Mid Tactical Rifle Build Kit is a premium solution for custom AR-10 builders seeking durability, performance, and precision. Designed to be DPMS Gen 1 compatible, this kit includes everything needed to complete your build—except the 80% lower receiver—and is fully compliant for California builds where applicable.
Built around a SOCOM-profile 18" CMV barrel with mid-length gas system, this kit delivers reliability and superior ballistics for .308 Winchester. The setup is topped with a 15" slim-profile M-LOK free-float handguard for optimal accessory mounting and accuracy. A triport muzzle brake ensures recoil management and improved follow-up shots.
Kit Includes:
Barrel: 18” .308 Win SOCOM government profile, 4150 CMV, parkerized finish, 1:10 twist
Gas System: Mid-length with .750 gas block diameter
Muzzle Device: Triport muzzle brake with crush washer
Upper Receiver: Low-profile billet DPMS-style .308 upper with forward assist, ejection port cover, flat-top Picatinny rail
Handguard: 15” M-LOK free float, slim-profile aluminum
Bolt Carrier Group: .308/7.62x51 complete BCG, chrome-lined, nitride finish, MPI tested
Charging Handle: Standard .308 mil-spec
Lower Parts Kit: DPMS-compatible .308 LPK with all necessary components
Stock Assembly: Rogers 6-position carbine stock kit, includes buffer tube, 308 carbine spring, 308 buffer, end plate, and castle nut (mil-spec)
Highlights:
DPMS Gen 1 pattern compatible
Made in the USA
Mid-length gas system for smoother recoil
Includes all parts except stripped lower
Ships unassembled for builder customization
CA-compliant configurations available
Premium billet upper for added strength
Nitride-coated bolt carrier group for durability
Please Note: This kit does not include a stripped lower receiver and is not an FFL item. Images shown are for reference only—handguard Mlok style may vary depending on current inventory, but all components are of equal or greater quality.
Tags: moriarti, ar-10, .308, 18 18", mid-length, tactical, rifle, build, kit, –, dpms, compatible