The ALG Supersonic Gen 4 Magwell is precision machined from billet 6061-T6 aluminum and is designed to seamlessly fit Gen4 GLOCK G17, G22, G24, G31, G34, and G35 without modification to the Magwell or the GLOCK pistol frame itself. The Supersonic is type 3 hardcoat anodized which allows for a long lasting and durable finish.
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