DPMS M4 Classic 5.56 NATO 16in M4 Profile Carbine

The DPMS DR-15 Classic M4 is a purpose-built semi-automatic carbine chambered in 5.56 NATO. It pairs a 16-inch M4-profile, chrome-moly barrel and a 1:7″ twist with a carbine-length gas system and F-marked front sight base. The rifle uses forged 7075-T6 upper and lower receivers finished in hardcoat anodize and a full-auto profile bolt carrier group with a Carpenter 158® steel bolt. Controls and furniture follow the familiar M4 pattern for straightforward ergonomics and operation.

Key Specifications

• The rifle is chambered in 5.56 NATO.
• The barrel measures 16 inches and employs an M4 profile.
• The barrel twist rate is 1 in 7.
• The barrel steel is Chrome Moly Vanadium with a phosphate finish.
• The muzzle thread pattern is 1/2 x 28.
• The gas system uses a carbine-length system and the gas block diameter is .750 inches.
• The gas block is an F-marked front sight base and the muzzle device is an A2-style flash hider.
• The receivers are forged 7075-T6 aluminum with hardcoat anodize.
• The bolt is made from Carpenter 158 steel and the carrier is a full-auto profile.
• The rifle ships with an M4-style collapsible stock on a mil-spec carbine buffer tube and a Magpul MBUS rear sight.

Its blend of proven AR-pattern components and straightforward M4 ergonomics makes the DPMS DR-15 Classic M4 a practical choice for users who value a familiar control layout, durable materials, and serviceable features. The combination of a 16″ M4-profile barrel, forged 7075-T6 receivers, and a robust bolt/carrier assembly delivers a platform suited to a wide range of mainstream rifle applications.