{"product_id":"poseidon-punisher-plus-hpa-rifle-polarstar-jack","title":"Poseidon Punisher+ HPA Rifle — PolarStar JACK Engine","description":"\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\u003eNew to HPA?\u003c\/strong\u003e This runs on external high pressure air — it needs a tank, a regulator and a line before it will fire a shot. Read our \u003ca href=\"\/pages\/hpa-airsoft-uk-the-complete-guide\" style=\"color:#7d4e00;font-weight:bold;\"\u003ecomplete HPA guide\u003c\/a\u003e before buying.\n\u003c\/div\u003e\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;\"\u003ePoseidon Punisher+ HPA Rifle — a complete rifle that arrives with the engine already in it.\u003c\/strong\u003e The hard part of going to air is fitting the engine, and that is the part somebody else has already done here.\n\u003c\/div\u003e\u003cp\u003eThe usual route onto air is to buy a gun, buy a conversion kit, then take the gearbox out and hope you put it back together properly. This skips all of it. The PolarStar JACK is fitted at the factory, so what arrives is a working air rifle and the only things left on your list are the air itself and a small battery.\u003c\/p\u003e\u003cp\u003eThe JACK is the engine most people land on, and for good reason: there is no gearbox, no motor, no gears and no piston, so the parts that normally wear out are simply absent. Pull the trigger and it fires, with no spin-up delay. Semi and full auto are both on the selector, and you can dial the pull to taste.\u003c\/p\u003e\u003cp\u003ePoseidon have wrapped it in a nylon and polymer M-style body built for being dropped rather than photographed, with a vertical trigger, a batwing charging handle and an ambidextrous selector. A 220-round M4 mid-cap is in the box, and the well takes any standard M4 AEG magazine.\u003c\/p\u003e\u003cp\u003ePick black if you hold a defence, or dual tone if you do not — the two are the same rifle underneath.\u003c\/p\u003e\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eSpecifications\u003c\/h2\u003e\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;\"\u003eCalibre\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eEngine\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePolarStar JACK, semi and full auto, adjustable trigger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eEngine body\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eAluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eExternal high pressure air — tank, regulator and line required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSmall LiPo with a JST connector, for the engine electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eMagazine supplied\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e220-round M4 mid-cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eMagazine compatibility\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eStandard M4 AEG magazines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eReceiver\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eNylon and polymer M-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eControls\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eVertical trigger, batwing charging handle, ambidextrous selector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSights\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eFolding polymer M-style, front and rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eColours\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eBlack, or dual tone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eBarrel length\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eNot stated by the manufacturer at time of writing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eMuzzle velocity\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSet at your regulator — chronograph on the day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eGood to know before you buy\u003c\/h2\u003e\u003cp\u003eThree things are not included and the rifle will not fire without them: an \u003ca href=\"\/collections\/hpa-tanks\" style=\"color:#1B3A6B;\"\u003eair tank\u003c\/a\u003e, a \u003ca href=\"\/collections\/hpa-regulators\" style=\"color:#1B3A6B;\"\u003eregulator\u003c\/a\u003e and an \u003ca href=\"\/collections\/hpa-lines\" style=\"color:#1B3A6B;\"\u003eair line\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eThe engine also wants a little LiPo on a JST plug to run its electronics. It is a tiny cell that hides in the furniture rather than a full AEG pack — our \u003ca href=\"\/collections\/lipo\" style=\"color:#1B3A6B;\"\u003eLiPo range\u003c\/a\u003e covers it.\u003c\/p\u003e\u003cp\u003eVelocity on an air rifle is whatever you set at the regulator, which means your site limit is a setting rather than a specification. Chronograph it before every game day.\u003c\/p\u003e\u003cp\u003ePoseidon build this chassis with their own mechanical engine as well, and the figures they publish for muzzle velocity and rate of fire describe that version. They do not apply to this one.\u003c\/p\u003e\u003cp\u003eThe dual tone option is the one to choose if you do not hold a defence yet. Our \u003ca href=\"\/collections\/two-tone-guns\" style=\"color:#1B3A6B;\"\u003etwo-tone guns\u003c\/a\u003e page explains where that sits.\u003c\/p\u003e\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eFrequently asked questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat else do I need before I can play?\u003c\/strong\u003e\u003cbr\u003eA tank, a regulator, a line, and a little LiPo on a JST plug. If you are starting from nothing our \u003ca href=\"\/pages\/hpa-starter-bundle\" style=\"color:#1B3A6B;\"\u003eHPA starter bundle\u003c\/a\u003e puts the air side together in one go.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy does an HPA rifle need a battery at all?\u003c\/strong\u003e\u003cbr\u003eThe JACK is an electro-pneumatic engine, so its solenoid and trigger board need power even though the shot itself comes from air. Fully mechanical engines exist and do not, but this is not one of them.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePoseidon quote 390 to 400 FPS. Will mine do that?\u003c\/strong\u003e\u003cbr\u003eThat figure is from their own mechanical engine build, not this one. On a JACK the velocity is whatever your regulator is set to, so the honest answer is that you choose it and then prove it over a \u003ca href=\"\/collections\/chronograph\" style=\"color:#1B3A6B;\"\u003echronograph\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use my existing M4 magazines?\u003c\/strong\u003e\u003cbr\u003eYes. A 220-round mid-cap comes with it and the well accepts standard M4 AEG magazines, so your \u003ca href=\"\/collections\/aeg-magazines\" style=\"color:#1B3A6B;\"\u003eAEG magazines\u003c\/a\u003e carry over.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the dual tone version the same rifle?\u003c\/strong\u003e\u003cbr\u003eMechanically yes. The difference is the finish, which is what decides whether it counts as a realistic imitation firearm.\u003c\/p\u003e\u003cdiv style=\"background:#fde8e8;border-left:4px solid #c0392b;padding:12px 16px;border-radius:0 6px 6px 0;margin:0 0 16px;font-size:13px;\"\u003e\n⚠ \u003cstrong\u003eAlways run a secondary regulator.\u003c\/strong\u003e Never put tank pressure straight into the engine. Set your output before you shoot, and chrono at the site every time.\n\u003c\/div\u003e\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\u003eUKARA:\u003c\/strong\u003e As a realistic imitation firearm, this product requires UKARA registration or a valid defence. We verify at checkout. Register by playing 3 games over 56+ days at \u003ca href=\"\/pages\/airsoft-shop-high-wycombe-buckinghamshire\" style=\"color:#1B3A6B;\"\u003eSkirmish Wycombe Airsoft\u003c\/a\u003e.\n\u003c\/div\u003e\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 this is your first air setup, sort the regulator before you spend anything on the rifle itself — it is the part that decides how the gun shoots. Our \u003ca href=\"\/collections\/hpa-regulators\" style=\"color:#cdd6f4;\"\u003eregulators\u003c\/a\u003e and \u003ca href=\"\/pages\/hpa-tech-service\" style=\"color:#cdd6f4;\"\u003etech service\u003c\/a\u003e can set it up for you.\n\u003c\/div\u003e","brand":"Poseidon","offers":[{"title":"Black","offer_id":55724894847352,"sku":"70630249","price":549.95,"currency_code":"GBP","in_stock":false},{"title":"Dual Tone","offer_id":55724895109496,"sku":null,"price":549.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/8097\/3450\/files\/PoseidonPunisher_HPARifle_JACK_TitanForgeAirsoft-2.webp?v=1793828490","url":"https:\/\/www.titanforgeairsoft.com\/products\/poseidon-punisher-plus-hpa-rifle-polarstar-jack","provider":"Titan Forge Airsoft","version":"1.0","type":"link"}