Davidson Defense Ruckus w/Gauntlet Arms Brace 12.5-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat Keymod Handguard Pistol Full Build Kit

The Ruckus 12.5-inch Carbine-Gas AR-15 Build Kit is engineered for optimal performance with the 6.5 Grendel cartridge. Featuring a 12.5-inch medium profile barrel crafted from durable 4150 CrMoV steel, it has a 1:8 twist rate and a nitride finish for improved longevity. The kit includes a 10-inch freefloat KeyMod handguard constructed from lightweight 6061-T6 aluminum, allowing for further customization.

This build is complemented by a low-profile gas block and an AR-15 GI birdcage flash hider, promoting accuracy and reduced recoil. The included bolt carrier group is made from 9310 alloy steel with a QPQ nitride finish, ensuring reliable operation. Additionally, the kit features a Gauntlet Arms polymer stabilizing brace for enhanced support, a heavy-duty pistol buffer tube, and a 3 oz buffer weight. This assembly caters to firearms enthusiasts looking for a compact and versatile build in the AR-15 platform.