Quick view CMMG Mag Cmmg Mkw-15 Anvil 458 Socom 10rd $27.16 After extensive testing of magazines for the 458 SOCOM, the Lancer L5 Advanced Warfighter Magazine was the top choice due to the polymer body and steel feed lips. The CMMG-modified Lancer L5-AWM takes this top of the line magazine and perfects it for the... Compare Add to Cart