Engineered to deliver improved handling and enhanced durability and shock resistance, the Wilson Combat® 1911 Compact Lo-Profile Steel Base Plate is a drop-in base plate, favored by target and competition shooters across the country. Constructed of durable, nitride-coated steel, this Steel Base Pad is compatible with all 47D Series magazines, converting 8-round magazines to work with most 1911 frames. Plus, this base pad boasts tool-free installation for quick, field-ready performance.