{"product_id":"hop-up-chamber-for-m4-126932175","title":"M4 Hop-Up Chamber","description":"\u003cp\u003eHop-Up chamber for M4 type.\u003c\/p\u003e\n\u003cp\u003eRetro ARMS chambers has parts made at CNC machining center out of \u003cstrong\u003eEN AW 2007 \u003c\/strong\u003eand\u003cstrong\u003e EN AW 7075\u003c\/strong\u003e aluminum.Regulation wheel is from polypropylen . Impression regulation is very effective, because lever does not bend thanks to the used material. Its design allows precise Adjustment in 2mm range with step of 0.01mm.\u003c\/p\u003e\n\u003cp\u003eChamber is 100% compatible with the Retro ARMS gearbox, but it also fits into standard zinc gearboxes. However be aware that we can't guarantee absolute and precise fitment.\u003c\/p\u003e\n\u003cp\u003eHop-Up chamber is equiped with o-ring against BBs falling out.\u003c\/p\u003e\n\u003cp\u003eHop-Up nub is integrated into press lever. This way it won't fall out during assebly\/diassembly. Optional press levers can be bought for experimental settings.\u003c\/p\u003e\n\u003cp\u003eC clip isn't included. You can use former one, or order Retro ARMS's indestructible C clip.\u003c\/p\u003e\n\u003cp\u003eChamber's surface is anodized in black and red color.\u003c\/p\u003e","brand":"RetroArms","offers":[{"title":"M4 Hop-Up Chamber","offer_id":55513959530820,"sku":"R-RARMS-01","price":34.66,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/3613\/2164\/files\/hop-up-chamber-for-m4-2.jpg?v=1755860248","url":"https:\/\/www.skirmshop.nl\/products\/hop-up-chamber-for-m4-126932175","provider":"Skirmshop","version":"1.0","type":"link"}