Ed Brown Products Extended Magazine Release 1911 Stainless Steel. 060 for easier reach and faster magazine changes. Drop-in fit machined from solid bar stock and heat treated for durability. Beautiful machine cut checkering on button. Does not interfere with tactical style holsters. A positive stop is machined in to prevent over-travel. Fits all single stack 1911 frames. Uses existing magazine catch spring and magazine catch lock or purchase Ed Brown rebuild kit #814 or #814-S. Specifications for Ed Brown Products 1911 Extended Magazine Release: Manufacturer: Ed Brown Products Gun Model: 1911 Package Contents: Ed Brown Products 1911 Extended Magazine Release What firearm models does the manufacturer say Ed Brown Products 1911 Extended Magazine Release is compatible with? The manufacturer suggests that Ed Brown Products 1911 Extended Magazine Release is compatible with 1911Ed Brown Products 855-E: Extended Magazine Release 1911 Stainless Steel