Used for MK46 BK BW(S) gel blaster

MK46(S)-DE for 7.5mm inner tube gel blaster

M249-PARA(S)-DE for 7.5mm inner tube gel blaster

M249-MK2(S)-DE for 7.5mm inner tube gel blaster

M249-MK1(S)-DE for 7.5mm inner tube gel blaster

MK46 BK BW(S) for 7.5mm inner tube gel blaster