{"product_id":"retro-arms-airsoft-cnc-sr25-8mm-split-gearbox-shell","title":"Retro Arms Airsoft CNC SR25 8mm Split Gearbox Shell","description":"\u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003e\u003cbr\u003eCNC Split Gearbox SR-25 (8mm) – QSC\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eCNC split gearbox designed for airsoft SR-25 airsoft replicas from A\u0026amp;K, P\u0026amp;J, Classic Army, and G\u0026amp;P. This gearbox is manufactured from one solid block of aircraft aluminium (Dural) EN AW 7075 T651, which has higher strength (590MPa), than common construction steel (390MPa). Because of used material, our gearboxes have the best durability and resilience than common zinc-aluminium gearboxes. We are manufacturing these gearboxes on our precise CNC milling machines in our factory.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eHaving a split gearbox has many advantages. For example, much easier installation of the inner parts into the gearbox. During setups of you cylinder set, there is no need to remove the whole gearbox, only upper part can be dismounted, because it’s only retained by the rear pin.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003ePackage includes CNC Split Gearbox SR-25 (8mm), set of screws and QSC spring guide.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eWe made some useful improvements into our SR-25 CNC gearboxes:\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eSpring holders have grooves, so the springs for tappet plate and main switch will not jump off.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eAdded groove for safety lever, so it will hold during installation.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eAdded groove for main switch spring, for better fitting.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eAOE control hole.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eSockets for bushings\/bearings have smaller diameter about -0,02mm (7,98mm), for non-overturning the bushings during installation.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eWe enhanced grooves for wiring for 1mm, you can now use wirings with 2,5mm diameter.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eAdded protecting edge for wiring against the motor.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eBoth gearbox parts are centred by milled grooves and edges.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eAdded hole for releasing anti-reverse latch.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eFor better durability, we added more material around cylinder head part of the gearbox, this was the most critical part and we added 100% more material where huge radius is.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eAdded groove for anti-reversal latch spring, so it will not jump off.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eOuter edges are now chamfered.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eSpace for main switch is designed for compatibility with main switches, switch units from common manufacturers for example: Gate, Perun etc.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eThe gearbox has protective anodize coating, The reason for this is that there is a risk of corrosion (huge grey spots that look terrible).\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eDo not use too much force during installation. Use only 1Nm tightening torque on screws, otherwise the screws will overturn in heads. There is no need of tightening screws with too much force, if you want to be sure that screws will not loosen, use thread locker.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eRetro Arms gearboxes have a quick spring change system QSC, where you can remove the spring guide with hex key and change the spring without need of opening the gearbox.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003ePlease be aware due to the QSC system you need to make sure the stock screw is installed before operating the gearbox as this centres the spring guide. Failure to do so could damage your internal parts.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eYou can use in our CNC gearbox any spring of your choice but be aware that stronger springs will result in lower durability.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003e!! do not use MAXX cylinder head !!\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eInstallation of the inner parts and gearbox requires professional knowledge, experience, and skills. There are a lot of airsoft manufacturers on the market and every one of them create their own sizes, there are no standards like engineering ISO in airsoft. This is the main problem with a lot of inner and outer parts from different manufacturers which can be same product, but with different dimensions.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cfont style=\"font-size: 18px;\"\u003e \u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: black;\"\u003eSame Day Dispatch on All Orders Placed Before 3pm Monday – Friday\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px; color: red;\"\u003eFor Airsoft Use Only, cannot be Adapted or Modified for any other purpose\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cfont color=\"#009900\"\u003eBullseye Country Sport\u003c\/font\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cfont color=\"#009900\"\u003eYour No 1 Outdoor Hobby Store\u003c\/font\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cfont color=\"#009900\"\u003eFootwear, Field Sports, Camping Equipment and more\u003c\/font\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cfont color=\"#009900\"\u003eAlways on Target\u003c\/font\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cbr\u003e","brand":"Retro Arms","offers":[{"title":"Default Title","offer_id":53368873320790,"sku":"RA7213","price":124.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/0921\/4294\/files\/3mppo0jlcds.jpg?v=1777650454","url":"https:\/\/bullseyecountrysport.co.uk\/products\/retro-arms-airsoft-cnc-sr25-8mm-split-gearbox-shell","provider":"Bullseye Country Sport","version":"1.0","type":"link"}