The Century Arms CMR is a light weight low profile free float rail system for AR 15 platform rifles. Easy to install with the included proprietary barrel nut it provides you with a full length continuous M1913 Picatinny top rail at the 12 o'clock position. Other accessories can be mounted directly to the CMR at the 3, 6 and 9 o'clock positions with any KeyMod compatible mount. It features 4 built in anti-rotation QD sling swivel sockets. Built with the overriding K.I.S.S. design principles, this rail is smaller, lighter weight and ergonomic while enhancing functionality for you, the end user. Whether you're building a new AR or upgrading your favorite modern musket, you need the Century Arms CMR!
Specifications and Features:
Centurion Arms CMR KM1513
AR-15 13" Handguard
Full Length 1913 Picatinny Top Rail
Integrated QD Attachment Sockets
Inside Diameter 1.230"
Overall Length 13.468"
Weight 10.3 oz with Included Barrel Nut
MIL-SPEC Type III Hard Coat Anodized
Note: Currently the Centurion Arms gas block is the only one that Centurion Arms can guarantee to fit under the CMR. This is due to the CMR's extreme low profile.