AEG Spring Spacers (FPS Increase Adjustment) for Krytac/VFC/ASG 11mm ID
$9.99
Description
The shims are designed to be of various sizes that can be combined to tailor the FPS output..4 shims of various sizes are included to fine-tune to the desired power you require..Shim 1 - Increase by 5 FPS.Shim 2 - Increase by 10 FPS.Shim 3 - Increase by 15 FPS.Shim 4 - Increase by 20 FPS
