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Also, make sure the wire has as close to a 90* bend as possible where it goes through the cam. I made these from wire hangers:

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The left sides pass through the cam. Once you get it ironed out, you may have to make your own if your carrier doesn’t contact the front of the receiver/trunnion like this:


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If you run into anything else, post it.
 
For starters I'm fairly new with these kits. I put both on Zastava's. On one, I had no issue with clearance and the other gave me hell. I know people hate the work Dremel, but that is what I did to the lateral side of the wire along the cam end. I even took some material off the cam. If you do that, just go slow because you can't add back.
there is another video on here of a gentleman installing one. For me the key was getting the wire cut the perfect length with minimal play in the cam with the bolt closed.
 
Now I see why it's called getting these things timed. 🤦🏼‍♂️ My bolt binds up, and the trigger doesn't release, or vice versa. I just wish we could LEGALLY convert to full auto. 🤣

he makes it look easy!
 
It sounds to me like MARS and any other makers whose trip bars keep bending don’t understand metallurgy. If they used the right type of steel and hardened it to springyness (new word) like an AK military select lever then it probably wouldn’t happen. Also, I’ve been following a Super Safety thread over on Uzitalk and the Hoffman looks like the way to go… that is as long as your state doesn’t specifically ban anything that increases the rate of fire in a SA firearm. My state, VA, did specifically ban bump stocks, etc. last year so I’m sol on frt’s and super safeties.
Well what did you guys expect from Mars/Alfa (Pete) he bootlegged that tech from TE did you think he actually knew how to make it ??? or just get you to pay for it?
 
Still haven’t gotten out to thoroughly vet the two different FRTs. Maybe this weekend.
I did try to fit the DNT/HGW style FRT in a ‘74. The rear trunnion interferes with the cam and I have no desire to modify either at this point. I will try the Mars trigger eventually. I’m not in a rush to burn through the 5,45 that I have rat holed, but it will probably work without any modifications to the cam and/or rear trunnion.
 
So I'm trying to put mars in to my Zpap m92 pistol. Has anyone done this yet? I'm having problems with some metal in the trunnion are people making cuts and taking some material out, or are we just trying to bend the retainer plate? Is it possible to trim the cam on the little break side under the whole that buddy said to oval out? I just realized this is probably really hard to understand, I'll send pictures.
 
I ran a frt 15 on a PSA KS47 build and had similar fitment issues—had to shave a bit off the selector stop and adjust the disconnector spring. Once it was in, it ran fine, but it’s definitely not plug-and-play. The AK Mars might need even more tweaking depending on tolerances. Would be cool to see someone successfully drop in a frt 15 without mods, but I wouldn’t count on it.
 
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