Does not come with grub screw, uses a M3 x 6mm
Outer barrel AEG head section. Machined from aluminium, 14mm CCW thread. Wide hop entrance . Can be used on it's own or with part of the set.
Specifications:
Length: 1.75 Inches (not including thread or part which fits into the upper receiver)
Colour: Black
Weight: 48g
Thread Direction: 14mm - CCW