This rail set is the lightweight rail  for  King Arms M4 M-LOK® TWS Ver. 2, included 75mm, 115mm, 195mm picatinny rails, can be mounted on the handguard for installation of additional equipment for weapons including tactical light, laser pointer, etc.

Will also fit on other M-LOK® system by using M-LOK® T-nut (optional).

Rail Set for King Arms M4 M-LOK TWS Ver. 2