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Echo1 M4 M16 Hop Up Chamber Unit

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Echo1 M4 M16 Hop Up Chamber Unit

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Two piece hop-up fits Echo1, Tokyo Marui, and other M4 or M16


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Two piece hop up chamber for airsoft M4 and M16s. This fits Echo1 (ie Echo1 - Stag – 15 M83A1), Tokyo Marui, and KWA (ie KWA M16A4 KM16BR) M4 and M16 airsoft rifles.

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Founded in 2004, Airsoft Outlet Northwest (AONW) is the leader in quality airsoft and tactical gear in the Pacific Northwest. We're dedicated to providing the best service and products for our customers! We believe in honest and fair treatment of our customers while delivering superior value at a reasonable cost. That's why we offer the best warranty in the industry by providing in house warranty service on many quality brands like Classic Army, G&G, TopTech, and Echo-1. If you buy from us then you can rest assured knowing that you'll be taken care of.