Product Features & SpecificationsBuilt for the demanding use of those who protect our communities every day, the Colt Enhanced Patrol Rifle (EPR) is the next evolution in the world's most dependable, thoroughly field-tested patrol rifle. Featuring an extended handguard that accepts modular rail segments for mounting a wide variety of pro-grade optics, lighting, and ergonomics-enhancing accessories, as well as the highly durable Magpul MBUS Pro Series front and rear back up sights and B5 Bravo buttstock. The Colt EPR reestablishes the Colt AR-15 as the finest tool for local, regional, and national law enforcement agencies. Specifications Action: Gas Operated Semi-Auto Barrel: 16.1" Capacity: 30+1 Finish: Matte Black Receiver: Matte Black Safety: Ambidextrous Safety Selector Sights: MagPul MBUS Pro Front & Rear Stock: Bravo B5 Buttstock Collapsible / Folding Stock Magazine: 1 / 30 rd. MagPul PMAG Weight: 6.6 lbs. Rate of Twist: 1:7 Barrel Length: 16.1 Overall Length: 32 to 35.5 Features: Ambi Safety Selector/M-LOK Capable Handguard SKU CR6920-EPR UPC 098289023643