SHS - Upgrade Spring M130 (410~430fps) - TH1015
SHS - Upgrade Spring M120 (380~410fps) - TH1014
SHS - Upgrade Spring M110 (350~380fps) - TH1013
SHS - Upgrade Spring M90 (310~330fps) - TH1011
SHS - Stainless Steel Spring Guide for V2 Gearbox AEG - WD0010
SHS - Upgrade Spring M100 (330~350fps) - TH1012
SHS - Upgrade Spring M170 (540~560fps) - TH1019
SHS - Upgrade Spring M140 (430~450fps) - TH1016
SHS - Upgrade Spring M160 (520~540fps) - TH1018
SHS - Upgrade Spring M150 (500~520fps) - TH1017
SHS - Upgrade Spring M190 (580~600fps) - TH1020
Super Shooter - Stainless Steel CNC Ball Bearing Spring Guide for V3 Gearbox - WD009
SHS- Stainless Steel Spring Guide for V3 Gearbox AEG - WD0011
Element - Replacement Spring set for V2/V3 Gearbox - IN0912
Echo1/Modify - Upgrade Spring M140 (430-450fps) for AEGs
Super Shooter - Upgrade Spring M140 (430-450fps) - TH1027
Super Shooter - Upgrade Spring M130 (410-430fps) - TH1026
Super Shooter - Stainless Steel CNC Ball Bearing Spring Guide V2 - WD008
MAXX - CNC Aluminum Stainless Steel Spring Guide - MX-SPG001S3
Element - Upgrade Oil Temper Spring M125 (390-430fps) for VSR10 - IN0107
Element - Upgrade Oil Temper IRREGULAR-PITCH M175 Spring (550-620fps) - IN0111
Echo1 - ASR Sniper OEM Spring (~440fps)
Star M249 Spring Guide for Echo1/A&K/ARES M249
BattleAxe - Ball Bearing Spring Guide for Ver. 2 Gearbox
BRAVO - High Performance Tune Up Spring - SP170 (560-590fps)
BRAVO - High Performance Tune Up Spring - SP110 (350-390fps)
BRAVO - High Performance Tune Up Spring - SP100 (320-350fps)
Lonex - SP M150 (470-500FPS) Spring - GB-04-04
Lonex - SP M140 (440-470FPS) Spring - GB-04-07
Lonex - SP M130 (410-440FPS) Spring - GB-04-06
