Davidson Defense Roughneck w/SBA3 Brace 12.5-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit

The Roughneck w/SBA3 Brace 12.5-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit from Davidson Defense offers a robust platform for the discerning gunsmith. Chambered in 6.5 Grendel, it features a 12.5" medium-profile barrel made from 4150 CrMoV steel with a nitride finish, ensuring durability and performance. The carbine gas system is paired with a micro low-profile gas block designed for a .750" O.D. barrel.

A 12" free float handguard made of anodized 6061-T6 aluminum provides ample rail space for accessories. The kit includes the Davidson Defense "Panhead" billet upper receiver and a complete AR-15 6.5 Grendel II QPQ nitride bolt carrier group crafted from 9310 alloy steel. The SB Tactical SBA3 adjustable stabilizing brace and complete mil-spec lower parts kit round out this full build kit for a versatile and functional firearm experience.