LayLax - PROMETHEUS Air Seal Chamber Hop Up Bucking Soft (Purple) - 21PMI31
G&G - Cold Resistant Hopup Bucking (Green) - G-10-109
LayLax - PROMETHEUS Flat Type Hopup Bucking Nub/Tensioner for Soft and Hard
LayLax - PROMETHEUS Straight Chamber (Flat Hop) bucking Soft (Blue) - 21PMI19
LAYLAX - PROMETHEUS Air Seal Chamber Hop Up Bucking Hard (RED) - 21PMI33
G&G - Cold Resistant Hopup Bucking for Rotory chamber (Blue)- G-10-118
G&G - Cold Resistant Hopup Bucking (Green) - G-10-061
Element - Silicon Hop Up Bucking (55° Hard) - IN0603
Modify - Baton Ryosoku Flat Hop Bucking Hard Type - Grey - GB-05-63
Echo1 - ASR Sniper Hop up Bucking
