I don't have the Kidd chassis on my Charger, but I don't see why the brace wouldn't fit. The Kidd is advertised to take AR parts and they show a drawing with a stabilizing brace attached. FWIW the SB brace fit my Crazy Ivan chassis just fine.




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LAWS side-folding adapter for an AR....

 

Stock Charger Chassis, Copper Custom adapter, SB3 brace.... Put 'em together and what do you get? FUN!!!

I have since upgraded to a Pmaca Chassis.

 

I think I'm following what you want to do but there might be a better way that I'll get to in a bit.

The KIDD Tactical chassis takes a buffer tube just like an AR15. Same connection for buffer tube to the chassis, so if it either fits a buffer tube or screws into the threaded buffer tube hole (what's that hole called?) it'll work. Just get the correct size. Double check with KIDD but I think it accepts a mil spec tube.

But since it's a rifle you can use an actual stock that can be lighter than a SB brace*. Just get a buffer tube with the position holes that allow for adjustment. Most AR15 stocks of that sort can go on and come off in a heartbeat so you're not stuck with just one set up. On my heavy rifle SG I have a Luth-AR stock adjusted to fit me. But when I convert it to the field rifle it wears a much lighter rear stock. Of course they have what? 5, 6 positions? And a MFT Minimalist stock will save you $. If you want storage I think it's VLTOR that makes a hollow end capped buffer tube. If you shop around and you're not in a hurry Minimalist stocks can be had for <$40. Today there are even lighter stocks than the minimalist.

I tried an SB brace on a test handgun to see if I liked the idea enough to SBR it. I liked the idea, but thought the SB brace was far too heavy for what it did and threw off the balance.

 

...But since it's a rifle you can use an actual stock that can be lighter than a SB brace*....

No, the OP wants to put the brace on his planned Charge pistol, so a stock would make his Charger into an SBR requiring a tax stamp.



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Correct. I am doing this to my charger.

 

Are you asking about SB Tactical's PDW brace that slides on dual rods?

 

I had my Ruger laminated stock milled for a custom Picatinny rail adapter…

 

That is a good looking Charger!

 

My gunworks chassis can do buffer style or picatiny. Right now I have a sb3 pistol brace but man I think it would be great to have a folding brace though. But this charger I built is more of a want than need so. Probably have one by next week 😂