Umarex / KWA 30 Rounds Gas Magazine for HK417 GBB Vest 5-Position Stubby Buttstock

5-Position Stubby Buttstock

no modification is required

with up to 60% of parts of new rifle being interchangeable with standard AR-15 components

25mm Diameter fit most scope and tactical flashlight

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Umarex / KWA 30 Rounds Gas Magazine for HK417 GBB Vest 5-Position Stubby Buttstock30 round gas magazine for the KWA system gas blow back HK417. Short load for true 30 round realism more then enough gas to empty the magazine 4 times over. Plastic housing covering the large gas reservoir adds good weight, realistic feel and not only resistance to wear but eventual wear and tear will add a real environment on mag worn look.