Here's something we put together with the help of Boogeyman Customs in Tucson. It is one of the new NLT SIRT 115 pistols that is Gen 5 based.
https://nextleveltraining.com/product/115/
The finger grooves are gone and there are bumps for the ambi slide release molded into the frame. These are probably the biggest changes over the older 110 model. The trigger is "improved" over the old model but still isn't quite the same as the real deal.
Boogeyman cut this with their standard RMR cut and we replaced the plastic sights with plain black suppressor sights from AmeriGlo. The slide is topped with a Holosun 407 which fits fine into the Boogeyman cut. No Loktite or anything was used and is probably unnecessary since the only moving part is the trigger.
Once assembled I dialed the optic dot to sit right on top of the iron sights. Then I dialed the SIRT laser to hit with the dot at a distance of about 12 paces. The two dots are slightly offset depending on distance which probably isn't a bad thing.
Overall I think the project has turned out nicely. The use of an actual red dot vs the cheap plastic "hood" NLT sells is the only way to go. Now we don't have the use the trigger take-up laser as the pretend aiming point.
Some people (myself included) have been critical of the SIRT because shooters can become more concerned with watching for the laser flash on the target instead of seeing the laser strike where the sights are pointed. But with the red dot installed it seems the shooter now can be target focused and correctly observe both the aiming dot and the shot indicating dot.
As we slowly explore the use of dots on our current handgun we'll try to get more of these made and passed out for instructor use. My plan is to have a "library" of sorts so these can be checked out by students and returned after a few days or weeks so that the next student can check one out. Ideally we'd have a very large inventory of these available to be checked out. Maybe eventually we'll get there. All it takes is money...
Happy Saturday!
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