[コンプリート！] s&t ar-57 149383-S&t ar-57
Complete upper receiver lets you shoot economical, gentlerecoiling 57 x 28mm ammunition in your AR The innovative, lowprofile 50round magazine (sold separately)MGCA Member ST Firearm AR57 Tactical Solutions Pistol Build Features Sig Sauer Romeo Red Dot, F1 Handguard, F1 Dragon SlayAR Brake, Maxim Defense Brace and Hyperfire TriggerThe AR57, also known as the AR Five Seven, is available as either an upper receiver for the AR15/M16 rifle or a complete rifle, firing 57×28mm rounds from standard FN P90 magazines It was designed by AR57 LLC and is currently produced by AR57 of Kent, Washington, USAThe AR57 PDW Upper is a new design on AR15/M16 rifles, blending the AR15/M16 lower with a lightweight, monolithic upper Q Tbn And9gcsw D9h Ffpiv6vwlgj Sv1zzbhitdggvcuryqmucbf5oexf7 Usqp Cau S&t ar-57