G&G Jeu de cales pour boîte de vitesses en métal Airsoft AEG /G&G Shim Set for Metal Gearbox Airsoft AEG Gun     Description: The G&G Shim Set provides all the shims you'll need to properly shim your AEG gearbox. Shimming is a crucial part of AEG upgrading and maintenance....

G&P Jeu de cales de boîte de vitesses Ultra Precision Gun Smith/G&P Ultra Precision Gun Smith Gearbox Shim Set. (40 pcs)   G&P Ultra Precision Gun Smith Gearbox Shim Set. (40 pcs) Description: -For all gearbox -Included 0.1mm thick x 20pcs & 0.2mm thick x 20pcs-1 pack (10 pack for 1...