Stainless Steel delta ring and butt stock tube M4 wrench tool NSN
Steel key for occasional tight - loose of the M4 / M16 delta ring nut. You don't have to damage the delta ring with inappropriate pliers anymore.
FMA
was founded in 2009 in GuangDong province of China, as the first, most reliable retailer and wholesaler specializing in airsoft and wargame equipment. FMA offers more than 1000 airsoft products such as helmets, masks, battery boxes, flash lights, goggles, silencers etc. All their products are popular in Europe and USA.
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