{"product_id":"aa-piano-wire-steel-spring-for-aeg-m140","title":"PIANO Wire Steel Spring for AEG - M140","description":"\u003cp\u003eAA PIANO Wire Steel Spring for AEG - M140 Action Army's PIANO spring delivers consistent performance through high-grade spring steel construction and progressive coil design. The graduated winding reduces mechanical stress on gears and motor while maintaining stable output around 140 m\/s. Factory pre-tensioning ensures reliable performance from initial cycles without the degradation common in lower-grade springs. Engineered to withstand sustained high-rate-of-fire use without losing tension or breaking, this upgrade component is essential for long-term gearbox reliability. Compatible with most standard AEG gearboxes. Install with the compressed coil section toward the spring guide.\u003c\/p\u003e","brand":"Action Army","offers":[{"title":"Default Title","offer_id":52615147684178,"sku":"A06-005","price":9.72,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8454\/7507\/files\/11146.jpg?v=1770032265","url":"https:\/\/airsoftmania.eu\/de-be\/products\/aa-piano-wire-steel-spring-for-aeg-m140","provider":"Airsoft Mania Europe","version":"1.0","type":"link"}