NEW TRIGGER FRAME FOR THE MK48S SEMI AUTO RIFLES THAT TAKES AR15/M16 TYPE PISTOL GRIPS AND HAS BUILT IN ENLARGED TRIGGER GUARD. MADE FROM 7075 T6 ALUMINUM AND TYPE III HARDCOAT ANODIZED MATTE BLACK OR DURACOATED FDE. THESE TAKE THE STANDARD  INTERNAL COMPONENTS IN SEMI AUTO. DROP IN PART, NO MODIFICATIONS TO THE M249S REQUIRED. SELECT COLOR IN OPTIONS BOX.