The MC5 is proof that you can build a lightweight, sub-MOA AR15 in 5.56mm that is still reliable, durable, and has all of the accents and styling you expect from a premium firearm. Currently, in use at over 80 police departments in the USA and with over 3,000 discerning customers, the MC5 combines only the best components including an upper receiver, lower receiver, slimline MLOK™ compatible handguard machined in house from Forged 7075-T6 Aluminum. Each rifle comes with high-performance barrels and specially selected components. Comes standard with a 16” barrel.