Our take: Systema is renowned in the airsoft world for their top-of-the-line craftsmanship on all their manufactured parts and products, and is also attributed with having a world-class R&D process through which all products undergo prior to making it into their product repertoire. It's no wonder why more airsoft-enthusiasts choose SYSTEMA as their upgrade part of choice, over the many other brands of upgrade parts available.
- Shims are one of the most essential parts of any gearbox, ensuring proper spacing between gears to protect against wear
- This is a high quality, high-precision shim set; re-shimming is recommended to be done only by experienced airsoft technicians
- Set includes 6 x 0.20mm shims, 6 x 0.30mm shims, 6 x 0.50mm shims
Disclaimer: Any and all airsoft upgrade parts purchased from Airsoft Megastore will be used/installed at owner's discretion. Actual performance results depend on quality of installation, airsoft AEG barrel length, tightness of the air nozzle seal, and other possible performance-affecting factors. We are not responsible for any damage that may occur with improper installation. For best results, please do all upgrades at a certified professional airsoft technician/shop.