MRR 14.5, 5-Slot

The Colt Canada 14.5″ MRR (Modular Rail Rifle) is a robust carbine chambered in 5.56 x 45mm NATO, built for reliability in demanding environments. It features a monolithic M-LOK upper receiver and a free-floating, cold hammer-forged barrel, providing consistent accuracy and a continuous top NATO rail for accessory mounting. Constructed from 7075-T6 aluminum with a hard anodized finish, it weighs 6.6 lbs (3.0 kg) and supports a 30+1 capacity. The 14.5″ MRR is equipped with an ambidextrous safety selector, a 1:7 twist chrome-lined barrel, and a customizable sight and accessory setup. Its expansion gas bleed-off system ensures optimal performance in various conditions. Designed, manufactured, and tested in Canada, the MRR offers complete parts interchangeability for easy fleet management, catering to the needs of law enforcement, military, and government agencies.