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AS Designs Arc-Fire V2 Ambi Kit, 0-45-90
$249.99
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Most Helpful Positive Review dpms Oracle
I was able to put it on a basically stock DOMS Oracle. Did not change the buffer (got H3 on the way) but it still functions great. I did have to change the BCG to full auto one (required to work) I put some red loctit on the screws just in case. My wife said "whatever that was, it sounds illegal"
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easy install

by ar builder, Verified Owner from VA, United States Written on August 6, 2026
This was an easy install and no tuning required bc I paired with the new kak bcg. Regular spring and buffer.
Would recommend: Yes
Was it helpful to you? Yes | No

Very disappointed

by John Doe, Verified Owner from IA, United States Written on July 18, 2026
Got through maybe two 30-round mags with this thing—mostly fired semi-auto, mind you—and it broke already. The portion of the selector bar that the primary selector switch threads sheared off for some reason, and I can’t figure what could have caused it. I studied the installation manual a lot before installing, and as I mentioned, everything seemed to be functioning fine for a bit before it all went downhill.

Contacting the manufacturer seems almost impossible, and of course I can’t return it because it is final sale. Overall I am NOT impressed for the price of this thing. Hoping I can at least find a replacement part, although their website doesn’t seem to list it.
Would recommend: No
0 of 3 found the following review helpful.
Was it helpful to you? Yes | No

Works flawlessly

by Ringinthesteel, from TX, United States Written on July 15, 2026
I have one AS designs super safety in an 11.5” carbine build and it works perfectly. I haven’t had a single failure of any kind and the cyclic rate with an H3 buffer in an A5 tube with a blue riffle spring is very easy to control and keep on target. I have the other brand they sell on here in a 12.5” patrol length gas build and it is not nearly as reliable.
Best Used for:
  • Simulated full auto
Would recommend: Yes
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No

Works great as intended.

by WattIsMyName, from KY, United States Written on June 3, 2026
10.3", carbine gas, h2 buffer, milspec upper, lower and bcg. Solid tactile feel in all 3 positions. No binding from ambi controls. Runs 55g, 62g, 75g, 77g equally well. Doesn't change semi function feel at all. I couldn't be more impressed. Get one.
Pros:
  • Function & Fit
Cons:
  • None
Best Used for:
  • rapid fire
Would recommend: Yes
2 of 2 found the following review helpful.
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aweomse FRT

by abr7890, Verified Owner from VA, United States Written on May 28, 2026
Have this with a precut Geissele ssa ex. Can’t ask for a smoother frt. had the push button safety and the arc fire 0 90 180. Absolutely love this one
Would recommend: Yes
2 of 2 found the following review helpful.
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Last updated 2026-05-29 UTC.