{"product_id":"polarstar-modular-regulator-system-mrs-regulator-only","title":"Polarstar Modular Regulator System (MRS) — Regulator Only","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;\"\u003ePolarstar Modular Regulator System (MRS) — Regulator Only — \u003c\/strong\u003e Polarstar Modular Regulator System — an ultra-compact 3-inch HPA regulator that threads directly onto your tank, eliminating the need for a separate Universal Fill Adapter. Integral on\/off valve, tournament lock, and 40–145 PSI adjustability.\u003c\/div\u003e\n\u003cp\u003eStandard HPA setups need a UFA (Universal Fill Adapter) between the tank and the regulator, which adds bulk and another fitting point where leaks can develop. The Polarstar MRS replaces that arrangement: the regulator body has its own integral tank threads, screws directly onto a 13ci or larger HPA tank, and stands just 3 inches tall in total. The result is the smallest regulator profile available for SLP, LP, and standard paintball-spec HPA tanks.\u003c\/p\u003e\n\u003cp\u003eThe on\/off valve is the standout feature for technicians and field marshals. Most regulators leave the line and downstream components pressurised when removed from the tank — potentially wearing the tank o-ring and threads on every uninstall. The MRS lets you depressurise the high-pressure side of the regulator before unscrewing it, protecting both the tank o-ring and your regulator's internal seals. For players who swap tanks between games or carry spares, this is a meaningful longevity improvement.\u003c\/p\u003e\n\u003cp\u003eThe oversized 4mm piston bore is what sets the MRS apart functionally. High-flow, high-refresh performance even at low output pressures (down to 40 PSI) means you can drive high-ROF engines — F2, Fusion, BLINC-controlled INFERNO — without pressure drop during sustained bursts. Output pressure is adjustable from 40 to 145 PSI as standard; an optional High Pressure spring extends the range to ~200 PSI for setups that need higher input.\u003c\/p\u003e\n\u003cp\u003eAn integral tournament lock secures the pressure adjustment screw with a standard zip tie, which is how UK skirmish event safety officers verify regulator output between games. Compatible with all common HPA tanks (standard and SLP) including HK Army, Ninja, Tippmann and similar. The regulator is sold standalone — you'll need an air line and a QD or filter fitting separately if you don't already have them.\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;\"\u003eHeight\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e3 inches (76mm) — sits directly on tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eOutput pressure\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e40–145 PSI adjustable (standard configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eOutput pressure (HP)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e~200 PSI maximum with optional High Pressure spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eInput pressure\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eUp to 900 PSI — safe with all paintball-spec HPA tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePiston bore\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eOversized 4mm — high flow \/ fast refresh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eIntegral on\/off\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eYes — depressurise before tank removal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eTournament lock\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eIntegral — secured with standard zip-tie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eTank compatibility\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSLP, LP, and standard HPA paintball tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eTank threads\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eStandard HPA paintball thread (no UFA required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eMaintenance\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePiston\/bore clean every 100,000–150,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eAdjustment tool\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e3\/32 allen wrench for pressure screw, 5\/32 hex for service\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\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 The MRS shines on compact in-stock builds where a low-profile regulator matters more than anything else — pair with a \u003ca href=\"\/collections\/hpa-tanks\" style=\"color:#cdd6f4;\"\u003e13ci tank\u003c\/a\u003e for a stock-internal rig, or with a larger tank for a tank-on-back setup. Need a complete rig? Our \u003ca href=\"\/collections\/hpa-accessories\" style=\"color:#cdd6f4;\"\u003eHPA accessories\u003c\/a\u003e includes matching lines and QD fittings.\u003c\/div\u003e","brand":"Polarstar","offers":[{"title":"Default Title","offer_id":55566074642808,"sku":"2450841011","price":139.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/8097\/3450\/files\/PolarstarModularRegulatorSystem-MRS-TitanForgeAirsoft-1.webp?v=1779267110","url":"https:\/\/www.titanforgeairsoft.com\/products\/polarstar-modular-regulator-system-mrs-regulator-only","provider":"Titan Forge Airsoft","version":"1.0","type":"link"}