CowCow M&P 9L 145% Enhanced Nozzle Spring
CowCow TM G19 Glock 19 Series Supplement Nozzle Spring (GG08-14)
CowCow TM Hi-Capa/1911 Enhanced High Flow Nozzle Valve with Valve Spring (GG08-14)
CowCow TM M&P 9 Series Supplemental Nozzle Return Spring Pack
SCS Shockwave Enhanced 125% Nozzle Return Springs for Hi-Capa 4.3/5.1
SCS Shockwave Hi-Capa Enhanced 125% Nozzle Return Spring (3 Pack) (GG11-11)
Tokyo Marui Hi-Capa Loading Nozzle Return Spring (3 Pack) (GG08-17)