{"product_id":"polarstar-f2-m249-cylinder-conversion-kit","title":"PolarStar F2 M249 Cylinder Conversion Kit","description":"Specifications\u003cbr\u003e- Manufacturer: PolarStar\u003cbr\u003e- Construction: Aluminum ALloy\u003cbr\u003e- Compatibility: Most M429 Gearboxes\u003cbr\u003e- Velocity Ranges: 205 - 500 FPS\u003cbr\u003e- Operating Pressure: 45 - 145 psi\u003cbr\u003e- Overall Length: 4 inches\u003cbr\u003e\u003cbr\u003eFeatures\u003cbr\u003e- Extremely lightweight and compact design\u003cbr\u003e- Dual solenoid design allows for open and closed bolt firing\u003cbr\u003e- F2 FCU with LCD allows for easy tuning\u003cbr\u003e- Spring loaded nozzle provides consistent loading force\u003cbr\u003e- Lightweight one piece poppet valve can operate at lower pressures\u003cbr\u003e- Easily adjustable FPS can be used for both CQB and field use without having to change nozzles\u003cbr\u003e\u003cbr\u003ePackage Includes: 1x F1 engine, 1x FCU, 1x Set of Wire Harness, 1x Trigger board, 1x Manual","brand":"XTREME Airsoft Superstore","offers":[{"title":"Default Title","offer_id":67941307679035,"sku":"PS-F2MG-M249","price":442.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0121\/1475\/5646\/files\/PS-F2MG-M249_MED.jpg?v=1794328635","url":"https:\/\/greatcallathletics.com\/products\/polarstar-f2-m249-cylinder-conversion-kit","provider":"Great Call Athletics","version":"1.0","type":"link"}