Built from a forged upper and lower AR-15 receiver with a standard barrel nut interface and mil-spec controls; The MC5 is made for abuse and high round counts. Available calibers include .300 Blackout, 5.56mm and 6.8 SPC. The average MC5 setup weighs 6.5 pounds. MC rifles come painted in a variety of Cerakote colors and patterns. Many upgradable options available at your MC Authorized Dealer. Government pricing available upon request. SBR configurations and select-fire/full-auto available for qualifying entities.