G&G have a set of metal shims to improve the performance of your AEG:
Shim Set
Shimming your gearbox can dramatically improve the performance of your AEG by aligning your gears perfectly. The result will reduce stress on the motor, eliminate gearbox whine, and even increase the rate of fire. 18 precisely cut shims are included in this set for better versatility in finding the perfect fit. Now available worldwide.Contact your local dealer for pricing and availability.
G&G
