A brief history, information and drawings for the BoMar BMCS target and competition sights.

A Brief History

The sight that we all know as the Bo-Mar sight today was developed in the late 1950s and early 1960s by George Elliason, of Elliason sight fame. According to the late, renowned pistolsmith Travis Strahan, George Elliason designed the sight and made a series of improvements to it during that period. Elliason wasn’t in the manufacturing business so he engaged the services of Robert Korzeniewski to be his sub-contractor. Subsequently the two had a falling out and each went their separate ways. Korzeniewski then began making the sights under his own brand, called “Bo-Mar” by putting together his name (Bob) along with that of his wife (Mary). The company then moved from Michigan to Texas in the mid-1960s, where it operated until going out-of-business in 2007.

Today we make faithful reproduction of the Bo-Mar “BMCS” sight down to every specific dimension. Our sights have two distinct improvements over the original Bo-Mar. First, the steel used is 4140 chrome-moly steel, not the low-carbon steel that was originally used. Secondly, our sight blade is entirely cut from one piece of steel, i.e. the windage screw tube is not silver-brazed to the blade like on the originals. Dimensionally, we are capable of holding very tight tolerances on the dovetail (+.003”/-.000”), thereby minimizing time spent of fitting.

Bo-Mar BMCS Slide Dovetail Dimensions Drawing

The Bo-Mar BMCS drawing below is included as a courtesy to help determine the correct rear sight for your 1911 platform. These are just the basic dimensions needed to identify the type of dovetail cut that currently exists on your slide. This is not an actual blueprint for milling your slide, and KFS Industries takes no responsibility for accuracy or completeness of this information.

This image includes the dimensions for the BoMar BMCS slide dovetail.

BoMar BMCS Sights Installed on a Les Baer Centennial 1911

 BoMar BMCS Sights Installed on a Les Baer Centennial 1911

DISCLAIMER: The information contained herein is for informational purpose only. This information is not official, and provided solely to help choose the correct sight for your firearm. KFS Industries Inc. takes no responsibility on the completeness or accuracy of this information.