Ed Brown Products Pefection Hammer Strut 1911 Models. Designed for a lifetime of performance it is an often overlooked piece for getting that perfect 1911 trigger job. Fits all 1911 type pistols. Specifications for Ed Brown Products Pefection Hammer Strut: Manufacturer: Ed Brown Products Color: Black Gun Model: 1911 Package Contents: Ed Brown Products Pefection Hammer Strut What firearm models does the manufacturer say Ed Brown Products Pefection Hammer Strut is compatible with? The manufacturer suggests that Ed Brown Products Pefection Hammer Strut is compatible with 1911Ed Brown Products 823-P: Pefection Hammer Strut 1911 Models