When youre looking for Maxim Defense ingenuity in a standard AR-15 package the MD-15 is your answer. The MD-15 was engineered to fit the growing demand for reliable accurate and affordable AR15-style rifles for todays Law Enforcement Patrol Officers. For increased comfort and versatility every MD-15 features our free-floating Slimline handguard. These handguards provide a monolithic-like upper receiver platform and M-Slot compatibility. FEATURES: A2 flash hider. M-Rax and M-Slot compatible handguard. Military-grade materials. Radian charging handle Magpul stock. Magpul grip. Magpul sights. Standard Carbine Buffer system. Blackout Defense flat 3.0 lb trigger. Fully floated barrel. Lancer 30-round magazine. FUNCTIONS: Optimized individual carbine for M855 ball ammunition. Receives all STANAG pattern magazines. MIL-SPEC + components and coatings. Fully and easily serviceable. Disassembles with standard tools.