This Trinity Rail System is designed to be used on any MPA chassis (MPA BA Chassis, MPA Comp Chassis, MPA BA Lite Chassis) to provide an alternate location for positioning a bipod or other picatinny rail attached item. It attaches to the bottom of the fore end of the chassis body via the 2 slots that run the full length of the bottom of the chassis. The system is designed for quick and easy attachment and removal.

It includes the Trinity Rail Base, Short Bipod Picatinny Rail, (4) SHCS and (4) M-lok nuts.