The Land Warfare Resources Corporation’s M6A2 D-DEA is a semi-automatic tactical rifle chambered in 5.56 NATO. LWRC, founded in 1999, specializes in making AR15- and M16-style rifles, but with a handful of trademark features. The D-DEA is a modified version of the M6A2–modified for, that’s right, the US Drug Enforcement Administration. Two features specifically make it different from the standard. The first is the Advanced Combat Bolt, which is supposed to improve extraction and increases life. The second, an Enhanced Fire Control Group, which is a single-stage trigger with LWRC’s proprietary nickel coating that makes it corrosion resistant and adds a permanent lubrication, which increases functionality in wet or sandy conditions.

Otherwise the D-DEA uses standard LWRC features such as a short-stroke gas-piston operating system where the propellant gases are cycled from the barrel into a tube and then directed onto a piston, which drives the bolt back. Since gas isn’t entering the bolt directly, carbon buildup is reduced in turn requiring less maintenance. The bolt was also treated with a proprietary nickel coating. It has a cold hammer forged barrel, so a machine carefully carved the grooves in the bore. This process produces solid grooves and improves the rifling’s durability. The barrel itself was treated with NiCorr, which is often compared to a chrome finish, but unlike chrome it applies evenly. NiCorr treatment makes the barrel wear and corrosion resistant, and adds lubricity and durability.

Other features include a target crown that helps maintain barrel
harmonics so when a round is fired vibrations in the barrel won’t throw
off the projectile’s trajectory, an ergonomically friendly Magpul grip,
Back Up Iron Sights (BUIS) and a Picatinny rail for easy mounting of a
scope or sights.

An optional trademark feature is Cerakote ceramic finish instead of a black anodized finish. It adds the corrosion resistance of Teflon, but is supposed to be more durable (add $150).

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