{"title":"VFC UMP \/ MP5","description":null,"products":[{"product_id":"guillotine-vfc-mp5-hopup-arm-nub-v2","title":"Guillotine | VFC MP5 Hopup Arm \u0026 Nub V2","description":"\u003cp\u003eThis arm provides more consistent hopup tension on the bucking for more consistent BB backspin. -7075 anodized aluminum. -Rubber Nub. This new version is CNC machined rather than 3d printed. This hopup arm allows for the use of a rubber nub which will greatly improve your hopup consistency!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eReorder status:\u003cspan\u003e\u003cbr\u003eTemporarily unavailable for reorder or restock\u003c\/span\u003e\u003c\/p\u003e","brand":"Heavy Recoil Club","offers":[{"title":"Default Title","offer_id":55629821706619,"sku":"GUILL-HOP-MP5-GBB-V2","price":24.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/6754\/0091\/files\/bb3daeb9-il_fullxfull.6996563027_kgtz.jpg?v=1753021620"},{"product_id":"guillotine-npas-adjustable-valve-for-vfc-mp5-ump","title":"Guillotine | NPAS Adjustable Valve for VFC MP5\/UMP","description":"\u003cp\u003eGuillotine's NPAS Adjustable Valve delivers precision nozzle pressure regulation for VFC MP5 and UMP gas blowback rifles. Engineered from durable Nylon PA12, this 3D-printed component allows velocity adjustment using a standard 1.5mm hex key. Designed for performance optimization across operational conditions, with expanding platform compatibility under ongoing development.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e VFC MP5 and VFC UMP GBBR nozzles\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn the box:\u003c\/strong\u003e 1× Guillotine NPAS adjustable valve (Nylon PA12)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Adjust with a 1.5 mm hex key in small turns, then chrono. Do not force the valve if threads feel tight.\u003c\/p\u003e","brand":"Heavy Recoil Club","offers":[{"title":"Default Title","offer_id":56035777642875,"sku":"GUILL-NPAS-MP5","price":8.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/6754\/0091\/files\/DSC2534.jpg?v=1769343576"}],"url":"https:\/\/heavyrecoilclub.store\/collections\/vfc-ump.oembed","provider":"Heavy Recoil Club","version":"1.0","type":"link"}