Laylax SIG MCX Barrel SupporterSIG MCX Barrel Supporter Holds the MCX outer barrel firmly in place Provides additional support for suppressors, and tracer units. Prevents outer barrel wobble, rattling, and loss of accuracy Improved upon the original designed for a tighter tolerance and more stable barrel setup. The MCX barrel supporter holds the outer barrel firmly in place preventing wobble, rattling, and inconsistency between shots. The additional support screws and reinforiced