{"product_id":"shs-piston-head-silenced-bearing-standard-bore","title":"SHS Piston Head — Silenced Bearing, Standard Bore","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 Silenced Piston Head in the Standard Bore — the same ported design in the ordinary diameter.\u003c\/strong\u003e For conventional AEG cylinders.\n\u003c\/div\u003e\n\u003cp\u003eThe silenced piston head in standard sizing, for a gearbox running a conventional cylinder rather than a wide one.\u003c\/p\u003e\n\u003cp\u003ePorts through the face give the air a route instead of a wall. What you get is a slightly softer report and a less abrupt stop as the piston reaches the end of its travel.\u003c\/p\u003e\n\u003cp\u003eBehind the face sits a thrust bearing, so the spring is free to rotate under load rather than twisting against a fixed surface.\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;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePiston head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eBore\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eDamping\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePorted, silenced pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eBearing\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eYes, thrust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eFits\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eVersion 2 and Version 3 gearboxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\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 piston head\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\u003eThis is the standard-diameter version. A build running a bore-up cylinder needs the bore-up head instead, and the two do not swap over.\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\u003eHow much quieter is it?\u003c\/strong\u003e \u003cbr\u003eNoticeable rather than dramatic. Porting takes some sharpness out of the report, but barrel, hop unit and cylinder volume all have their say too.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich bore do I have?\u003c\/strong\u003e \u003cbr\u003eMost AEGs leave the factory with a standard cylinder. Bore-up is an upgrade you would usually know about, though it is worth measuring if somebody else built the gun.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I reuse the old o-ring?\u003c\/strong\u003e \u003cbr\u003eFit fresh seals wherever you can. An o-ring that has taken a set is one of the more common reasons compression disappoints after a rebuild.\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\u003eStandard bore, not bore-up:\u003c\/strong\u003e establish which cylinder is in the gun before ordering, because a standard head inside a bore-up cylinder will not seal and the shot simply falls away.\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 If compression is the problem you are chasing, change the cylinder head pad and the nozzle seal in the same session. Browse \u003ca href=\"\/collections\/piston-cylinder-heads\" style=\"color:#cdd6f4;\"\u003epistons and piston heads\u003c\/a\u003e.\n\u003c\/div\u003e","brand":"SHS","offers":[{"title":"Default Title","offer_id":55677718004088,"sku":"37390997","price":6.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/8097\/3450\/files\/SHSSilencedPistonHeadStandardBore_TitanForgeAirsoft.webp?v=1790346654","url":"https:\/\/www.titanforgeairsoft.com\/products\/shs-piston-head-silenced-bearing-standard-bore","provider":"Titan Forge Airsoft","version":"1.0","type":"link"}