Uniquely designed M-LOK ARCA RAIL runs the full length of the forend, plus extends 2" past the front of the chassis (ARCA-2) or 6" past the front of the chassis (ARCA-6).
Fits: All JAE-700 Chassis (Original to G4) as long as you use with M-LOK compatible Accessories. (Does NOT work with JAE-100 Models)