Ed Brown 1911 Perfection Disconnector 811-M A lifetime of experience in engineering" manufacturing" and precision hand craftsmanship" combined with world championship combat shooting experience" were the key ingredients in the formation of Ed Brown Products" Inc. Ed Brown firearms and components are engineered for performance" precision machined in America and hand-crafted to perfection. The instant you pick up an Ed Brown product" you can see and feel the quality" in all the details.