{"product_id":"shs-cut-off-lever-m4-v2-gearbox","title":"SHS Cut-Off Lever — M4, Version 2 Gearbox","description":"\u003cdiv style=\"background:#edfaf1;border-left:4px solid #27ae60;padding:12px 16px;border-radius:0 6px 6px 0;margin:0 0 16px;font-size:13px;\"\u003e\n\u003cstrong style=\"color:#1a6b3a;\"\u003eSHS Cut-Off Lever for the M4 Version 2 Gearbox — the part that makes semi-automatic stop at one shot.\u003c\/strong\u003e Version 2 shells, M4 pattern.\n\u003c\/div\u003e\n\u003cp\u003eSemi-auto is not electronic on a standard AEG. It is this lever, catching the tail of the sector gear and breaking the circuit once a single cycle has finished.\u003c\/p\u003e\n\u003cp\u003eWhen the lever wears, rounds double up on semi or the gun runs on after the trigger is released. Neither fault is a trigger problem, though both tend to get blamed on one.\u003c\/p\u003e\n\u003cp\u003eIt is a small steel part doing a mechanical job several thousand times over a game day, which makes it a consumable rather than a lifetime fitting.\u003c\/p\u003e\n\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;margin:0 0 18px;\"\u003e\n\u003ctr style=\"background:#1B3A6B;color:#fff;\"\u003e\n\u003cth style=\"padding:7px 12px;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:7px 12px;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePart\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eCut-off lever\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eGearbox\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eVersion 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePlatform\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eM4 pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSold as\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSingle lever\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eGood to know before you buy\u003c\/h2\u003e\n\u003cp\u003eA cut-off lever works alongside the selector plate and its own return spring. Where the lever is worn the spring usually is too, and changing one without checking the other is a false economy.\u003c\/p\u003e\n\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does a cut-off lever actually do?\u003c\/strong\u003e \u003cbr\u003eIt interrupts the trigger circuit once the sector gear has come round, which is what turns a continuous mechanism into a single shot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is my gun firing two rounds on semi?\u003c\/strong\u003e \u003cbr\u003eDoubling is the classic worn lever symptom, though a tired contact set or a weak return spring will do the same thing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this matter if I run a MOSFET?\u003c\/strong\u003e \u003cbr\u003eMany electronic units take fire control over completely, in which case the lever matters less. On a mechanical build it is doing the entire job.\u003c\/p\u003e\n\u003cdiv style=\"background:#fffbe6;border-left:4px solid #f0d060;padding:12px 16px;border-radius:0 6px 6px 0;margin:0 0 16px;font-size:13px;\"\u003e\n⚠ \u003cstrong\u003eVersion 2 only:\u003c\/strong\u003e cut-off levers are cut per gearbox version and do not swap between them, so confirm what is inside the receiver rather than going by the outline of the gun.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1B3A6B;color:#fff;padding:12px 16px;border-radius:6px;margin:18px 0 0;font-size:13px;\"\u003e\n\u003cstrong style=\"color:#fff;\"\u003e💡 Titan Forge Airsoft tip:\u003c\/strong\u003e Change the return spring while you are in there. It costs almost nothing and it is half the reason levers get the blame. Browse \u003ca href=\"\/collections\/gearbox-parts\" style=\"color:#cdd6f4;\"\u003egearbox parts\u003c\/a\u003e.\n\u003c\/div\u003e","brand":"SHS","offers":[{"title":"Default Title","offer_id":55677782983032,"sku":"43767493","price":3.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/8097\/3450\/files\/SHSM4Cut-OffLeverVersion2Gearbox_TitanForgeAirsoft.webp?v=1790347629","url":"https:\/\/www.titanforgeairsoft.com\/products\/shs-cut-off-lever-m4-v2-gearbox","provider":"Titan Forge Airsoft","version":"1.0","type":"link"}