{"product_id":"cyma-sr25-qbs-non-ported-cylinder","title":"CYMA Replacement Cylinder for SR-25 QBS Airsoft AEG Rifles (Model: Not Ported)","description":"\u003ch2 data-start=\"0\" data-end=\"74\"\u003eCYMA Replacement Cylinder (Not Ported) for SR-25 QBS Airsoft AEG Rifles\u003c\/h2\u003e\n\u003cp data-start=\"76\" data-end=\"410\"\u003eRestore maximum air volume and factory compression performance with the \u003cstrong data-start=\"148\" data-end=\"190\"\u003eCYMA Replacement Cylinder (Not Ported)\u003c\/strong\u003e for SR-25 QBS Airsoft AEG rifles. Designed as a direct OEM replacement, this full, non-ported cylinder is built specifically for SR-25 QBS platforms that require extended gearbox components and precise internal fitment.\u003c\/p\u003e\n\u003cp data-start=\"412\" data-end=\"606\"\u003eIf you're rebuilding your compression system, upgrading for a longer inner barrel, or replacing a worn factory unit, this cylinder delivers reliable performance with minimal installation hassle.\u003c\/p\u003e\n\u003chr data-start=\"608\" data-end=\"611\"\u003e\n\u003ch3 data-start=\"613\" data-end=\"631\"\u003e🔧 Quick Specs\u003c\/h3\u003e\n\u003cul data-start=\"633\" data-end=\"929\"\u003e\n\u003cli data-start=\"633\" data-end=\"674\"\u003e\n\u003cp data-start=\"635\" data-end=\"674\"\u003e\u003cstrong data-start=\"635\" data-end=\"645\"\u003eModel:\u003c\/strong\u003e Not Ported (Full Cylinder)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"675\" data-end=\"726\"\u003e\n\u003cp data-start=\"677\" data-end=\"726\"\u003e\u003cstrong data-start=\"677\" data-end=\"695\"\u003eCompatibility:\u003c\/strong\u003e SR-25 QBS Airsoft AEG Rifles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"727\" data-end=\"767\"\u003e\n\u003cp data-start=\"729\" data-end=\"767\"\u003e\u003cstrong data-start=\"729\" data-end=\"742\"\u003eMaterial:\u003c\/strong\u003e Durable aluminum alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"768\" data-end=\"807\"\u003e\n\u003cp data-start=\"770\" data-end=\"807\"\u003e\u003cstrong data-start=\"770\" data-end=\"781\"\u003eDesign:\u003c\/strong\u003e Drop-in OEM replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"808\" data-end=\"867\"\u003e\n\u003cp data-start=\"810\" data-end=\"867\"\u003e\u003cstrong data-start=\"810\" data-end=\"827\"\u003eManufacturer:\u003c\/strong\u003e \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eCYMA\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"868\" data-end=\"929\"\u003e\n\u003cp data-start=\"870\" data-end=\"929\"\u003e\u003cstrong data-start=\"870\" data-end=\"886\"\u003eApplication:\u003c\/strong\u003e Compression system rebuild \/ restoration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"931\" data-end=\"934\"\u003e\n\u003ch2 data-start=\"936\" data-end=\"973\"\u003eEngineered for SR-25 QBS Platforms\u003c\/h2\u003e\n\u003cp data-start=\"975\" data-end=\"1267\"\u003eSR-25 rifles operate on extended Version 2-style gearboxes that require specific internal dimensions to maintain proper air compression. The QBS (Quick Buffer System) configuration simplifies spring access, but correct cylinder sizing remains critical to consistent FPS and efficient cycling.\u003c\/p\u003e\n\u003cp data-start=\"1269\" data-end=\"1351\"\u003eThis non-ported cylinder is engineered to meet SR-25 QBS specifications, ensuring:\u003c\/p\u003e\n\u003cul data-start=\"1353\" data-end=\"1502\"\u003e\n\u003cli data-start=\"1353\" data-end=\"1395\"\u003e\n\u003cp data-start=\"1355\" data-end=\"1395\"\u003eProper air volume for extended barrels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1396\" data-end=\"1435\"\u003e\n\u003cp data-start=\"1398\" data-end=\"1435\"\u003eBalanced compression for DMR builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1436\" data-end=\"1464\"\u003e\n\u003cp data-start=\"1438\" data-end=\"1464\"\u003eStable semi-auto cycling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1465\" data-end=\"1502\"\u003e\n\u003cp data-start=\"1467\" data-end=\"1502\"\u003eReliable shot-to-shot consistency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1504\" data-end=\"1638\"\u003eBecause it matches factory tolerances, it integrates seamlessly with stock SR-25 QBS piston heads, cylinder heads, and gearbox shells.\u003c\/p\u003e\n\u003chr data-start=\"1640\" data-end=\"1643\"\u003e\n\u003ch2 data-start=\"1645\" data-end=\"1695\"\u003eFull (Non-Ported) Design for Maximum Air Volume\u003c\/h2\u003e\n\u003cp data-start=\"1697\" data-end=\"1879\"\u003eUnlike ported cylinders that vent air at specific points in the compression cycle, this \u003cstrong data-start=\"1785\" data-end=\"1813\"\u003enon-ported full cylinder\u003c\/strong\u003e retains maximum air capacity throughout the entire piston stroke.\u003c\/p\u003e\n\u003cp data-start=\"1881\" data-end=\"1917\"\u003eBenefits of a full cylinder include:\u003c\/p\u003e\n\u003cul data-start=\"1919\" data-end=\"2114\"\u003e\n\u003cli data-start=\"1919\" data-end=\"1966\"\u003e\n\u003cp data-start=\"1921\" data-end=\"1966\"\u003eIncreased air volume for long inner barrels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1967\" data-end=\"2014\"\u003e\n\u003cp data-start=\"1969\" data-end=\"2014\"\u003eImproved efficiency with heavier BB weights\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2015\" data-end=\"2061\"\u003e\n\u003cp data-start=\"2017\" data-end=\"2061\"\u003eStronger air push for higher spring builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2062\" data-end=\"2114\"\u003e\n\u003cp data-start=\"2064\" data-end=\"2114\"\u003eBetter performance in DMR-focused configurations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2116\" data-end=\"2297\"\u003eFor SR-25 platforms running extended barrel lengths, a full cylinder helps maintain optimal air-to-barrel volume ratio, which is crucial for achieving consistent range and accuracy.\u003c\/p\u003e\n\u003chr data-start=\"2299\" data-end=\"2302\"\u003e\n\u003ch2 data-start=\"2304\" data-end=\"2342\"\u003eDurable Aluminum Alloy Construction\u003c\/h2\u003e\n\u003cp data-start=\"2344\" data-end=\"2474\"\u003eConstructed from high-quality aluminum alloy, this CYMA cylinder balances strength and weight for dependable internal performance.\u003c\/p\u003e\n\u003cp data-start=\"2476\" data-end=\"2500\"\u003eAluminum alloy provides:\u003c\/p\u003e\n\u003cul data-start=\"2502\" data-end=\"2687\"\u003e\n\u003cli data-start=\"2502\" data-end=\"2547\"\u003e\n\u003cp data-start=\"2504\" data-end=\"2547\"\u003eExcellent durability under spring tension\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2548\" data-end=\"2591\"\u003e\n\u003cp data-start=\"2550\" data-end=\"2591\"\u003eResistance to wear and internal scoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2592\" data-end=\"2622\"\u003e\n\u003cp data-start=\"2594\" data-end=\"2622\"\u003eSmooth compression surface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2623\" data-end=\"2662\"\u003e\n\u003cp data-start=\"2625\" data-end=\"2662\"\u003eLightweight cycling characteristics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2663\" data-end=\"2687\"\u003e\n\u003cp data-start=\"2665\" data-end=\"2687\"\u003eCorrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2689\" data-end=\"2847\"\u003eThe precision-machined interior helps maintain proper air seal with your piston head O-ring, reducing friction while supporting consistent compression output.\u003c\/p\u003e\n\u003chr data-start=\"2849\" data-end=\"2852\"\u003e\n\u003ch2 data-start=\"2854\" data-end=\"2887\"\u003eOEM Factory Direct Replacement\u003c\/h2\u003e\n\u003cp data-start=\"2889\" data-end=\"3088\"\u003eAs a genuine part from \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eCYMA\u003c\/span\u003e\u003c\/span\u003e, this cylinder is manufactured to original equipment specifications. That means you’re not guessing about fitment or dimensional accuracy.\u003c\/p\u003e\n\u003cp data-start=\"3090\" data-end=\"3113\"\u003eOEM advantages include:\u003c\/p\u003e\n\u003cul data-start=\"3115\" data-end=\"3273\"\u003e\n\u003cli data-start=\"3115\" data-end=\"3143\"\u003e\n\u003cp data-start=\"3117\" data-end=\"3143\"\u003eProper gearbox alignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3144\" data-end=\"3191\"\u003e\n\u003cp data-start=\"3146\" data-end=\"3191\"\u003eReliable compatibility with stock internals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3192\" data-end=\"3233\"\u003e\n\u003cp data-start=\"3194\" data-end=\"3233\"\u003eFactory-level performance restoration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3234\" data-end=\"3273\"\u003e\n\u003cp data-start=\"3236\" data-end=\"3273\"\u003eSimplified maintenance and rebuilds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3275\" data-end=\"3452\"\u003eIf your original cylinder is scratched, worn, or experiencing compression loss, replacing it with an OEM-spec component is one of the most effective ways to restore performance.\u003c\/p\u003e\n\u003chr data-start=\"3454\" data-end=\"3457\"\u003e\n\u003ch2 data-start=\"3459\" data-end=\"3509\"\u003eDrop-In Design – Minimal Modifications Required\u003c\/h2\u003e\n\u003cp data-start=\"3511\" data-end=\"3656\"\u003eThis CYMA SR-25 QBS cylinder is built as a \u003cstrong data-start=\"3554\" data-end=\"3577\"\u003edrop-in replacement\u003c\/strong\u003e, requiring little to no modification for installation in compatible gearboxes.\u003c\/p\u003e\n\u003cp data-start=\"3658\" data-end=\"3668\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul data-start=\"3670\" data-end=\"3830\"\u003e\n\u003cli data-start=\"3670\" data-end=\"3693\"\u003e\n\u003cp data-start=\"3672\" data-end=\"3693\"\u003eRoutine maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3694\" data-end=\"3726\"\u003e\n\u003cp data-start=\"3696\" data-end=\"3726\"\u003eCompression system overhauls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3727\" data-end=\"3765\"\u003e\n\u003cp data-start=\"3729\" data-end=\"3765\"\u003eRepairing air seal inconsistencies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3766\" data-end=\"3794\"\u003e\n\u003cp data-start=\"3768\" data-end=\"3794\"\u003eGearbox rebuild projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3795\" data-end=\"3830\"\u003e\n\u003cp data-start=\"3797\" data-end=\"3830\"\u003ePreventative internal servicing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3832\" data-end=\"3994\"\u003eWhile installation is straightforward for experienced airsoft technicians, professional installation is recommended for those unfamiliar with gearbox disassembly.\u003c\/p\u003e\n\u003chr data-start=\"3996\" data-end=\"3999\"\u003e\n\u003ch2 data-start=\"4001\" data-end=\"4013\"\u003eIdeal For\u003c\/h2\u003e\n\u003cp data-start=\"4015\" data-end=\"4059\"\u003eThis non-ported cylinder is best suited for:\u003c\/p\u003e\n\u003cul data-start=\"4061\" data-end=\"4264\"\u003e\n\u003cli data-start=\"4061\" data-end=\"4107\"\u003e\n\u003cp data-start=\"4063\" data-end=\"4107\"\u003eSR-25 QBS rifles with longer inner barrels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4108\" data-end=\"4130\"\u003e\n\u003cp data-start=\"4110\" data-end=\"4130\"\u003eDMR airsoft builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4131\" data-end=\"4169\"\u003e\n\u003cp data-start=\"4133\" data-end=\"4169\"\u003eHigh-efficiency compression setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4170\" data-end=\"4216\"\u003e\n\u003cp data-start=\"4172\" data-end=\"4216\"\u003eFull rebuilds requiring maximum air volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4217\" data-end=\"4264\"\u003e\n\u003cp data-start=\"4219\" data-end=\"4264\"\u003eReplacing worn or damaged factory cylinders\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4266\" data-end=\"4431\"\u003eIf your SR-25 is experiencing inconsistent FPS, reduced range, or compression loss, upgrading to a fresh full cylinder can significantly improve overall performance.\u003c\/p\u003e\n\u003chr data-start=\"4433\" data-end=\"4436\"\u003e\n\u003ch2 data-start=\"4438\" data-end=\"4491\"\u003eWhy Choose the CYMA SR-25 QBS Non-Ported Cylinder?\u003c\/h2\u003e\n\u003cp data-start=\"4493\" data-end=\"4754\"\u003e✔ Designed specifically for SR-25 QBS AEG platforms\u003cbr data-start=\"4544\" data-end=\"4547\"\u003e✔ Full cylinder for maximum air volume\u003cbr data-start=\"4585\" data-end=\"4588\"\u003e✔ Durable aluminum alloy construction\u003cbr data-start=\"4625\" data-end=\"4628\"\u003e✔ OEM factory-direct reliability\u003cbr data-start=\"4660\" data-end=\"4663\"\u003e✔ Drop-in installation with minimal modification\u003cbr data-start=\"4711\" data-end=\"4714\"\u003e✔ Ideal for DMR and long-barrel builds\u003c\/p\u003e\n\u003cp data-start=\"4756\" data-end=\"4988\"\u003eWhen maintaining or upgrading your SR-25 QBS rifle, precision matters. The CYMA Replacement Cylinder (Not Ported) ensures your compression system delivers consistent air output, reliable cycling, and dependable long-term durability.\u003c\/p\u003e\n\u003cp data-start=\"4990\" data-end=\"5078\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eKeep your DMR platform operating at peak performance with the right internal foundation.\u003c\/p\u003e\n","brand":"CYMA","offers":[{"title":"Default Title","offer_id":47994931970278,"sku":"105206","price":25.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6393\/2390\/files\/9091_cyma-106206-removebg-preview.png?v=1784175314","url":"https:\/\/ngrwzj-i1.myshopify.com\/products\/cyma-sr25-qbs-non-ported-cylinder","provider":"CQC Airsoft ","version":"1.0","type":"link"}