CNC milled entirely out of the highest quality Aircraft Grade Aluminum then Hard Anodized for durability. Both the Mag Button and the Mag release are aluminum. Mag Button is oversized so you can access it without shifting your grip but shaped in such a manner that it does not interfere with your shooting grip. Features: Catalog Vendor Name: ZEV TECHNOLOGIES InventoryTyp: REG Vendor Group: ZEV Made In The USA: Made In The USA Tactica: Tactical For: Gen 4 .45 ACP, 10mm Color: Black