My Store
Perst Dual Compatibility Upgrade
Perst Dual Compatibility Upgrade
5.0 / 5.0
(4) 4 total reviews
This service replaces the rear button on your Perst laser with a fully integrated Crane-style port. Maintains full compatibility with Zenitco stock switches. Designed and manufactured in the U.S. this modification brings your Russian laser up to American standards. No adapters or sketchy wiring. Compatible with all generations and models.
Every unit is personally upgraded and tested by me, a professional electrical engineer and NV + firearm end user. I stand behind my work if there is any issue with my modification I'll make it right.
Couldn't load pickup availability
Share
I did NOT want to mess around searching for the rare and confusing pressure pad from Zenitco for my perst unit. I searched forever and finally stumbled across Freedom engineering. It’s definitely a professionally done job. Side note it fits on a leader rail like a glove. If you’re on the fence just do it. Now I can run a vampire light and perst side by side from the same dual switch.
This is what you need to connect a dual lead switch like the Unity Axon to use a VCEL illuminator with your Perst 4 while retaining the original signal-based switching option of the Gen 3 +. Communication was great and workmanship is top notch. The Crane port fitment is much better than my DBAL A3. Highly recommended.
I found Travis on an AR15.com thread with a few people wishing to modify their ZenitCo LAMs for use with domestic products. Eing that ZenitCo uses a proprietary plug it is a bit a delicate process to then splice lights and switches to then run with their units. Travis said he was working on getting contractor grade Crain Spec plugs to allow for better domestic compatibility. I told him that I was very interested. When. He was able to knock out my modification to my Gen3 ZenitCo Perst 4 I sent it out to him. The turnaround was about 2 weeks and he provided a status update at week 1 with pictures. Upon receiving my now modified unit back I quickly put it on paper and then linked it with a Unity Tactical switch to fire with a Z-Bolt IR illuminator on a scout body to fire in unison. It has been a while now and I haven't had any problems with function even after abusing my rifle. This modification is well worth the price and the work is professional.
I was about 2 weeks out from a multi-day night vision class. I had my Perst 4 and surefire vampire, purchased the modbutton dual lead only to realize after splicing my zenitco switch into it that the mod did not work with gen 3 perst 4's. Determined, I scoured the internet for a possible solution, finding an old post on ARFCOM that was recently updated with a link to this site.
I emailed Travis and he said he could turn it around before my class, so I sent in the Perst 4 and crossed my fingers that surgery would be a success. Travis kept me updated during the process, when my perst was received, some pictures of the new design, and the post op, plus he spent the extra coin to get it back to me on time as promised.
I slapped it on my Arsenal SAM5 and LARP'd in my backyard after night took over the sky to toy around with my new modbutton dual lead. I was impressed, it worked perfectly! I took it out to the 3 day event and did plenty of up drills, a lot of stuff on the move, at one point we did "suicides" like in high school PE. Run to a barrel, make 3 shots on the target, run another 25y to the next barrel, same thing, rinse and repeat, all while the other team did the same thing. If I had my old setup of pressing the button on the perst then separately activating the light, those precious few seconds would have counted against me.
Similarly, in the real world, those few seconds will count against you. So do what I did and send Travis your Perst 4. The plug is rock solid, it works fantastically well with a dual lead or similar setup, and quite frankly you can't beat a Perst 4 FP laser with a vampire combo.
10/10, would highly recommend.
