{"product_id":"polarstar-kythera-sa-nozzles","title":"PolarStar Kythera SA Nozzles","description":"\u003cdiv\u003e\n\u003ch1\u003ePolarStar Kythera SA Nozzles: Universal Compatibility for Airsoft Upgrades\u003c\/h1\u003e\n\u003cp\u003ePolarStar Kythera SA Nozzles are the essential upgrade accessory for airsoft gas systems. They’re designed for players and technicians who tune or customize replicas, delivering precise gas flow by matching nozzle length to the specific build. The system centers on numbered nozzles so you can dial in the right fit across a wide range of models.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNozzle Length Variety\u003c\/b\u003e: A broad set of nozzle lengths is available, each assigned a number to match cylinder length variations across manufacturers. Because different builds can position the hop-up chamber and gearbox shell differently, the numbered system helps you select a length that aligns the cylinder for a reliable gas seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUniversal Numbering Across Engines\u003c\/b\u003e: Once you determine the nozzle number your replica requires, that same number is intended to work across all engines that use the numbered nozzle system, simplifying upgrades and swaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eK Prefix for Non-Standard Cylinders\u003c\/b\u003e: For certain Kythera variants built around non-standard cylinders, a \"K\" prefix is used. These nozzles share the same profile as standard ones and remain cross-compatible with standard cylinder systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Model Compatibility\u003c\/b\u003e: The compatibility chart lists common pairings and is supported by a Help Center for full details, reflecting measurements for a broad range of brands and models (e.g., TM, G\u0026amp;G, ICS, VFC, A\u0026amp;K, LCT, CA, JG).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClear Markings\u003c\/b\u003e: Each nozzle is clearly numbered for quick identification, with the #1 nozzle left unmarked due to its high production volume to streamline manufacturing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBenefits: By selecting the correct nozzle length, you ensure accurate gas delivery and consistent cycling across different replicas and engines. This reduces misfeeds and downtime, helps maintain stable FPS, and makes future upgrades easier—since the same nozzle number works across multiple engines in the numbered system. For models with non-standard cylinders, the K-prefix option preserves compatibility without forcing a different fit. Always consult the compatibility chart (and the Help Center) before purchasing to confirm the right nozzle number for your exact replica.\u003c\/p\u003e \u003cbr\u003e \u003ctable height=\"729\" width=\"546\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNum\u003c\/td\u003e\n\u003ctd\u003eMost Commonly Used With\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eTip\u003cspan\u003e \u003c\/span\u003e\u003cspan data-teams=\"true\"\u003e(Inches)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e1 (Unmarked)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eTM M4\/M16, TM MP5 A\/SD, ICS MP5 A\/SD, G\u0026amp;G KAC SR-25E2\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.841\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eCYMA AK, CYMA MP5 A\/SD, G\u0026amp;G UMP\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.882\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e4\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eG\u0026amp;G GR-25\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1.466\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eICS SIG 550\/551\/552\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.979\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e6\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eKA FAL, TM MP5K, A\u0026amp;K M240\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.910\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e7\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003ePTS Masada, CA SCAR-L\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1.150\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e8\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eVFC SCAR-H\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1.523\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e9\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eE\u0026amp;L AK, S\u0026amp;T TAVOR\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.892\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e11\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eCA KAC LMG, VFC MP5 A\/SD\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.763\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e12\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eLCT AK-47\/74\/M\u003cspan data-teams=\"true\"\u003e, LCT VSS\/AS VAL\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.851\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e13\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eA\u0026amp;K MASADA\/ACR, CYMA SR-25 (V2.5 Kythera SA)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1.362\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e14\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eKA CZ 805 BREN\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1.405\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003eJG G36\u003c\/td\u003e\n\u003ctd\u003e1.070\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e17\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eCA AUG\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1.020\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e18\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eG\u0026amp;G MP5 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