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LAYLAX Prometheus Wide Use Rotary Style Hop Up Chamber for M4/M16 Airsoft AEG - Purple - Rookie Airsoft : Inspired by LnwShop.com
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G&P Rotary Hop Up Unit for Tokyo Marui & G&P M4 / M16 Series & G&P E.G.T. Series(Except M.T.F.C. System) | RedWolf
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