{"product_id":"ar-15-5-56mm-roller-follower-30rd-sl-bp","title":"Ar-15 5.56mm Roller Follower,30rd Sl Bp","description":"ProMags Rollermag series reinvents the wheel by adding them to an anti-tilt follower, in a steel lined Technapolymer magazine body. Experience a smooth, anti-tilt rolling feed with the revolutionary rollerfollower for maximum friction reduction. Magazine is built with ProMags anti-fatigue chrome silicon springs.\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e\u003cbr\u003e- Caliber: .223 Remington \/ 5.56 NATO\u003cbr\u003e- Material: Steel Lined Polymer\u003cbr\u003e- Capacity: 30 Rounds\u003cbr\u003e- Color: Black","brand":"ProMag","offers":[{"title":"Default Title","offer_id":15213502005314,"sku":"339531","price":21.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0086\/9043\/4114\/products\/GS339531.jpg?v=1555664807","url":"https:\/\/greensupply4.myshopify.com\/products\/ar-15-5-56mm-roller-follower-30rd-sl-bp","provider":"greensupply4","version":"1.0","type":"link"}