G&P Western Arms M4 Gas Magazine Reinforcement Valve[SI02][10257 / WP134]
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If your Western Arms or G&P GBBR magazines are leaking, or seem to have a lack of power, then it may be time to replace your stock magazine valve. The G&P Western Arms M4 Gas Magazine Reinforcement Valve is significantly stronger than the stock valve, is capable of supporting higher gas pressures, and provides your gas blowback airsoft gun with a more consistent gas output per shot.
Model: M4 Gas Magazine Reinforcement Valve
Size: Fits M4 GBBR magazines
Package Includes: One valve
- Support Higher Gas Pressure
- More Consistent Gas Output
- Metal Construction
- Manufacturer: G&P