Modular outer barrel for m4 electric gun 5ku (5ku-64-b)
Write your reviewAdd to wishlist
Multipurpose model in aluminum.
Incredible lightness and stiffness.
Holes for sight and milling for wire passage.
Removable front portion for passage from 14.5 to 10.5 inches in length.
Double thread with 14mm left pitch.
Total length 250mm (recommended internal barrel 247 or 363mm).