Hop-up key for MWS Laylax/Nine Ball
This tool allows you to adjust the hop-up on various models, without disassembly the bolt or the slide, quickly and easily.
FEATURES
Brand: Laylax/Nine Ball
Material: Metal
Compatibility: M4A1 MWS, Gas blowback pidtols of Marui, Gas rifle Marui, HK45, Serie M&P9, Px4 and USP Compact
Weight: 10 g