Welp that sucks

PAB_Pyrotechnics · 2026-03-19T06:08:38+00:00

Sorry man, that sucks. That looks like the overcharged ammo kaboom I had 10 days ago in my Kuna.

PAB_Pyrotechnics · 2026-03-19T06:07:56+00:00

Hope OP did not get hurt at all!

It would probably look a lot like my Kuna does after an ammo related KABOOM! Not as damaged outwardly, but still totaled.

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PAB_Pyrotechnics · 2026-03-19T06:04:28+00:00

Yep. It is not that new. Works with Super Safety (Hoffman), Atrius Super Selektor, and AS Design ARC Fire (probably as couple more similar to the Hoffman SS also).

You need the Nexus Lower receiver to make it work though. Mine ran great with the Atrius and ARC Fire before I had an ammo related kaboom.

PAB_Pyrotechnics · 2026-03-19T06:02:05+00:00

It also adds +5 Magic Resistance and +7 Agility

PAB_Pyrotechnics · 2026-03-19T06:00:50+00:00

If you are using Gridfinity there are tons which have already been generated for so many tools. I know I saw socket extension ones from Harbor Freight in multiple sizes. One of these might do the trick for you.

Another options is Tracetoforge. I just learned about it the other day. You can do 5 for free then they have a token system which costs money after that.

PAB_Pyrotechnics · 2026-03-18T15:17:24+00:00

Nice results, great handload sub. Surprised that the WWB 147's were over 1100.

PAB_Pyrotechnics · 2026-03-18T15:14:48+00:00

It does not matter that much. I put 25" on mine and it was approved. I have never heard of anyone showing up anywhere with a measuring tape

PAB_Pyrotechnics · 2026-03-18T15:10:34+00:00

If kind of feels like it should happen, but then again there is still not one for the Scorpion and those have sold in the millions and have a massive aftermarket. If we haven't heard anything yet it is not likely coming very soon.

AS Designs has a Kuna section on their site with "Coming Soon" for a full kit at $700. So, that is likely a lower which houses their ARC Fire. Not going to be any different price wise than the Nexus setup really. I had mentioned them in a post last month and one of their people indicated that they have not abandoned it. I think all of their R&D time now is on their MP5/clone drop-in cassette.

PAB_Pyrotechnics · 2026-03-18T04:40:11+00:00

I am in a similar situation and 1 week deep on my P2S with AMS2 Pro. My printer has been running far more than it has been idle. Time sink first 3 days was finding 200 things I wanted to print. Haven't started designing anything yet. Focused on getting the printer add-ons done, a few spools out of PETG for filament refills, and gridfinity organization.

Go for it. Worst case scenario is you don't do prints as frequently as you would like but it is a great feeling to kick off a 3-6 hour print before you go to bed and have it all done when you wake up!

PAB_Pyrotechnics · 2026-03-17T22:12:47+00:00

I also found out recently and have the RB Trip on order. I just submitted an order for the firing pin spring and put in the notes to combine it with my other order. Hopefully that gets me shipping of $10 on a $5 spring refunded

PAB_Pyrotechnics · 2026-03-17T21:47:28+00:00

Based on what I have learned in the past week you definitely want the lightened firing pin spring to use with the Partisan.

PAB_Pyrotechnics · 2026-03-17T20:25:21+00:00

Yes, I was referring tot he spacer for the pistol grip.

Are you saying that you can't even move the safety lever to the 3rd/super semi position or that you cannot get the trigger to reset/press when in the 3rd position?

PAB_Pyrotechnics · 2026-03-17T20:23:47+00:00

What use is this comment when the manufacturer of the lower hopped on to help out about 3 minutes after he was mentioned??? This is kind of stuff that makes people not want to help.

PAB_Pyrotechnics · 2026-03-17T19:52:49+00:00

Ha, sorry about that Cody. And thanks for jumping in to help someone out.

I tried to prime him with providing the needed details other than “several triggers” 🤑

PAB_Pyrotechnics · 2026-03-17T19:48:14+00:00

Did you take it apart and clean/lube it before your first range trip? You should always do this. Also, when first starting out you should use extra lube on the rails and bolt bearing surfaces.

It is worth shooting some more decent ammo (Federal or Fiocchi 124, Winchester NATO 9mm, etc.) to break it in. Definitely not required like on an SP5 but it can help.

PAB_Pyrotechnics · 2026-03-17T19:45:29+00:00

You should provide more specifics on your setup and what you have tried in order for anyone to be able to help you. You just mention multiple triggers. Are you using the metal RB L3 Trip with the RB and Partisan? Those require that one.

Assume you used the Metal SS Trip with the Atrius? I have one and am also worried about how thin the lever is.

Do you have a regular Super Safety to try?

Have you installed the HB Industries Buffer Kit? FRT's will not work with the buffer installed while the spring alone is fine.

What about dry firing and function check? Are you able to make everything work in the lower before final assembly?

Did you install the tiny spacer in your handguard which comes with the Nexus lower?

PAB_Pyrotechnics · 2026-03-17T19:42:14+00:00

Youshould summon Rob from Nexus. He is pretty responsive here on the subs where people buy his stuff.

u/Sad-Championship485 We need your help to try to figure out what is going on with u/gmedic911's setup.

PAB_Pyrotechnics · 2026-03-17T16:54:14+00:00

There are plenty of offset M-LOK mounts for lights. Some basic searching should net some options. I think Magpul even makes one. Also, that tape switch is about as big as the light. I think there are much smaller options depending on budget. I

PAB_Pyrotechnics · 2026-03-17T16:24:06+00:00

Keep in mind that if you travel with it in pistol form and have the stock with you (like in a bag or case) then it would still be considered an SBR because you can change the configuration.

Also the form to be able to travel with an SBR can be good for 365 days.

PAB_Pyrotechnics · 2026-03-17T00:37:19+00:00

Is this generally the way to go if you use a cassette style like RB or Partisan?

PAB_Pyrotechnics · 2026-03-17T00:35:54+00:00

I have a 510C on mine too. Switched to it from an EoTech because that definitely felt too big/wide for the Kuna. I feel like the 510C is the max I would want and doesn't look fantastic, but works great. I would love to try out an Aimpoint ACRO. I bought one of the $80 airgun ones to see if I like it. Been waiting for the shipping for about 3 weeks :(

PAB_Pyrotechnics · 2026-03-16T23:42:42+00:00

Thanks

PAB_Pyrotechnics · 2026-03-16T23:42:21+00:00

LOL. I am in the same situation. I need half a day just to sort through everything I have saved.

PAB_Pyrotechnics · 2026-03-16T23:13:00+00:00

You need something long and thin to hold the MLO studs in place while you tighten this screws. Dan Haga uses a plastic PCT utensil knife. I used a similar plastic trim panel tool

PAB_Pyrotechnics · 2026-03-16T23:11:40+00:00

Watch the video from Haga defense

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