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Airtech Studios AEG Spring Spacers for Krytac and VFC Spring Guides | 11mm Spring Guides
Airtech Studios AEG Spring Spacers for Krytac and VFC Spring Guides | 11mm Spring Guides Fps Increase: Shim 1 - Increase by 5 FPS Shim 2 - Increase by 10 FPS Shim 3 - Increase by 15 FPS Shim 4 - Increase by 20 FPS Product Specifications: Color: Green and GreyCompatibility: K...
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