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Nov 28, 2016 · The Bomar body is shallow and even when the slide is cut deeply enough to require a front sight around .150 or less, the slide top radius dives under the sight body on both sides. So, if you're planning to have a front sight of say around .160-.180" the LPA will look better IMO, because the slide cut will have to be deeper and the shape will mate up nicer, IMO.
- Bomar or LPA
The Bomar cut has the elevation screw located behind the...
- Bomar or LPA
- Novak
- G.I.
- Elliason
- LPA
- Bomar
- Proprietary Sight Cuts
- Summary
The Novak 1911 dovetail cut is the most common cut found on 1911 pistols. This cut is currently being used by many manufacturers like Rock Island Armory, Remington, Ithaca, Jacob Grey Custom, Stealth Arms, Colt, and more. Unfortunately, not every Novak style set will share the exact same tolerances due to some manufacturers using imitations of the ...
The G.I. is the smallest of the 1911 sight cuts and is found on G.I. style handguns like the Springfield 1911A1, Iver Johnson 1911A1, and more.
The Elliason rear sight cut is not very common but can be found on older Colt Gold Cup 1911’s. Newer Gold Cup 1911’s come with the Bomar sight cut.
The LPA sight cut uses an adjustable rear sight with an elevation adjustment screw located in the center of the dovetail. This style is very common. If your 1911 uses an adjustable rear sight, it’s likely it uses LPA sights. Some common 1911’s with this cut are the SpringfieldRange Officer, STI with adjustable rear sights, Springfield Loaded Target...
The Bomar sight cut is very similar to LPA and is also an adjustable rear sight. However, the elevation adjustment screw is located slightly behind the dovetail cut as opposed to being centered like LPA sights. Bomar sights are less common than LPA sights but can be found on 1911’s like the Colt Gold Cup National Match .45 ACP, Springfield TRP Oper...
Several firearm manufacturers use their own style of sight cuts that are designed specifically for their firearms. For example, SIG SAUER uses a proprietary cut for their P220 Hunter and Supermatch SAO. Smith and Wesson also use proprietary rear sight cuts for their adjustable and fixed rear sights. Kimber1911 fixed rear sights are proprietary as w...
Understanding what dovetail cut your 1911 model pistol has is the first step to selecting a sight set for your 1911. If you are still unsure, reach out to the manufacturer of your firearm directly or contact a sight manufacturer for more information. Installing your sight set may require modification as there are some variations between manufacture...
- Ethan L
Nov 9, 2022 · The Bomar cut has the elevation screw located behind the dovetail cut. The LPA cut has the elevation screw located in the center of the dovetail. An example of the differences is located here. We have also found that some Sig Sauer 1911s use a Kimber Adjustable style cut rather than the LPA cut. If you measure your dimensions here, you should ...
Newer model Gold Cups use a Bomar style sight cut. LPA - It can be quite difficult to distinguish the difference between the LPA and Bomar cut without measuring or having had a decent amount of experience looking at the sights. They are both popular adjustable style rear sights for the 1911 and are quite common.
Mar 9, 2016 · G. Greg Derr. 3601 posts · Joined 2003. #2 · Mar 9, 2016. The difference is that the BoMar cut sits lower and requires a drilled and tapped hole for the elevation screw. The LPA sight sits higher and the elevation screw is contained in the sight. Both are strong. Derr Precision. FB-DerrPrecision.
Also notice the Bomar is also cut a little shallower than the LPA. Pro Installation Tip: After installing your new rear sight, mark the position. Remove the rear sight and place a drop of Blue Loctite 243 in the dovetail and reinstall. The Blue Loctite will hold the sight in place under extreme conditions, while still allowing the 1911 sight to ...
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Sep 24, 2021 · 1911 Rear Sight Cuts There are many different commonly used rear sight cuts for 1911s. This image covers many of the most popular that we make plates for. Novak The most popular rear sight cut is the Novak cut. The bottom of the dovetail measures around .50". Many 1911s use this cut, from Colts to Rock Islands. Some manufacturers do a better job at holding their tolerances with this cut and we ...
