{"product_id":"sprezyna-glowna-m160","title":"Main spring M160","description":"\n\n \n\nA steel spring with unequal pitch designed for power tuning. Provides a muzzle velocity between 500 - 520 FPS (depending on the internal gearbox parts used). The fronts of the spring have been ground, which translates into better work.","brand":"SHS","offers":[{"title":"Default Title","offer_id":48139367547218,"sku":"SHS-08-001532","price":5.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8454\/7507\/products\/1152195331_1.jpg?v=1662042728","url":"https:\/\/airsoftmania.eu\/pt-gb\/products\/sprezyna-glowna-m160","provider":"Airsoft Mania Europe","version":"1.0","type":"link"}