{"product_id":"retro-arms-cnc-m249-pkm-8mm-7075-aluminium-gearbox-shell","title":"Retro Arms Airsoft CNC M249 \/ PKM 8mm 7075 Aluminium Gearbox Shell","description":"\u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003e\u003cbr\u003eCNC Gearbox M-249\/PKM (8mm) – QSC\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003eCNC gearbox designed for M-249 or PKM airsoft replicas. 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). \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003eBecause 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.\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: 14pt; font-family: Arial, sans-serif; color: black;\"\u003ePackage includes CNC Gearbox M-249\/PKM (8mm) –  set of screws.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003c\/p\u003e \u003cp style=\"margin: 6pt 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003eWe made some useful improvements into our CNC M249\/PKM gearboxes;\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin: 6pt 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003eSpring holders have grooves, so the springs for tappet plate will not jump off.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin: 6pt 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; 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: 6pt 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003eAll threads are now shaped instead for better strength.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin: 6pt 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003eBoth gearbox halves are centred by milled grooves and edges.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin: 6pt 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003eGearbox was re-designed to be lighter but stronger in the most critical parts.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin: 6pt 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; 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: 6pt 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003eOuter edges are now chamfered.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin: 6pt 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003eCNC gearbox M249\/PKM has protective anodizing, even when it is problematic to anodize aluminium EN AW 7075 T651 (Dural), because of its high strength and hardness. If we did not anodize products from this material, there is huge risk of corrosion (huge grey spots with rotten look).\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin: 6pt 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003eThis gearbox is suitable for Classic Army \/ A\u0026amp;K M-249’s and the A\u0026amp;K PKM.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin: 6pt 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; color: black;\"\u003e!! do not use MAXX cylinder head !!\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e \u003cp style=\"margin: 6pt 0cm; \"\u003e\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; 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\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; 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\u003c\/p\u003e \u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif; 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: 14pt; font-family: Arial, sans-serif; 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: 14pt; font-family: Arial, sans-serif; color: rgb(112, 173, 71);\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"margin-bottom: 0cm; \"\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; font-family: Arial, sans-serif;\"\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: 14pt; font-family: Arial, sans-serif;\"\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: 14pt; font-family: Arial, sans-serif;\"\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: 14pt; font-family: Arial, sans-serif;\"\u003e\u003cfont color=\"#009900\"\u003eAlways on Target\u003c\/font\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cbr\u003e\u003cb\u003e\u003cspan style=\"font-size: 14pt; line-height: 107%; font-family: Arial, sans-serif; color: rgb(112, 173, 71);\"\u003e\u003c\/span\u003e\u003c\/b\u003e","brand":"Retro Arms","offers":[{"title":"Default Title","offer_id":53337690177878,"sku":"RA6390","price":131.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/0921\/4294\/files\/x42qvvjapvg.jpg?v=1777466761","url":"https:\/\/bullseyecountrysport.co.uk\/products\/retro-arms-cnc-m249-pkm-8mm-7075-aluminium-gearbox-shell","provider":"Bullseye Country Sport","version":"1.0","type":"link"}