Mar 10, 2019 · The MCX Rattler Canebrake comes as a suppressor ready platform with an SD handguard and inert training device that mimics the size and weight of the SIGSRD762 suppressor, and assures all muzzle flash is past the shooter’s hand when reaching out on the handguard during operation without a functional suppressor installed. With the MCX Rattler Canebrake there’s no need for the purchase of a shorter barrel kit and SD Handguard to have a suppressed MCX system, simply unthread the inert ... Are there magazines for SIG SAUER MCX rifles that have more than 30 round capability? I would like to purchase a few that are. Chambered in .177 pellet, features include an 18" rifled steel barrel, synthetic handguard, picatinny rail, tactical front grip, Micro Red Dot Sight, flip-up front and rear...