The RAS-12 is the only 12 gauge system available in the firearms market for the AR10 platform.
It begain with a vision and became two game-changing product lines. The RAS-12 MSS combines our AR-12 upper with a DPMS style AR10 lower receiver and allows the operator to convert in seconds from a .308 rifle to a 12 gauge shotgun. Designed exclusively for the RAS-12 MSS, RAS-12 Ammunition is the first polymer shot shell designed to be reliable, cycle properly and feed flawlessly through a vertical stack magazine. All RAS-12™ components are proudly made in the USA.
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