Brigade Manufacturing Makasi 5.56x45mm Semi-Automatic Rifle, 16\" Barrel, 12\" Quad Rail, Midnight Burnt Bronze. With a short-stroke gas piston and bufferless recoil system, the Makasi is easy to keep on target. It also includes a side-folding Para-style stock which allows the gun to be fired from the folded or deployed position. The quad rail handguard enables the operator to mount a wide assortment of optics and accessories. - M561166NQ