The Bushmaster M4 Patrolman's Carbine is a semi-automatic AR-15 style rifle chambered in 5.56mm NATO/.223 Remington, designed to offer reliability and performance for both law enforcement and civilian use. It features a 16" barrel with a chrome-lined bore and a 1:9 twist rate, suitable for stabilizing a wide range of bullet weights. The upper and lower receivers are forged from 7075-T6 aluminum, ensuring durability while maintaining a lightweight profile. The rifle comes equipped with a six-position collapsible stock, allowing for adjustable length of pull to accommodate various shooters. Standard features include an A2 birdcage flash hider, an M4-style handguard with heat shields, and a detachable carry handle with integrated rear sight, providing versatility for optics mounting. With a weight of approximately 6.7 lbs and an overall length adjustable between 32.5 to 36", the M4 Patrolman's Carbine is designed for ease of handling and maneuverability. It is typically supplied with a 30-round magazine, though capacity may vary based on local regulations. This model is part of Bushmaster's XM-15 line, known for its adherence to Mil-Spec standards and compatibility with a wide array of aftermarket accessories.