As of Oct 27th, 2025.

Alaska is green, Hawaii is red. Colorado is only banned in specific counties. But I only had polygon data for the whole state.


Yellow means there is either a Bump Stock Ban, or other “Trigger Activator” Ban that specifically mentions “recoil” as the mode over operation.

The litmus test for legality there is whether or not arresting the recoil (bolting rifle to table, etc) would disable the functionality (i.e.) like a bump stock.


I’m by no means an authority on this, but from my research this is what I got.

Feel free to comment/challenge any states, and I’ll update this post.

  • Facehugger@fosscad.io
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    2 months ago

    MA should probably be red because our state doesn’t just specific recoil mode of operation, but anything designed to mimic fully automatic fire.

  • DomainXero@fosscad.io
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    1 month ago

    The legality of FRTs in Florida is not fully set in stone. The only law they have related to this is a “bump-stock” ban which could possibly and loosely describe an FRT. Still, there are no cases of anyone being prosecuted in the state of Florida for owning or using an FRT. I personally know a handful of guys who have them. Only one of them was mailed a letter from the ATF a year or so ago, and he immediately discarded it and was never contacted again.

    Florida is still kind of an unknown on this matter.

  • sado@fosscad.io
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    1 month ago

    On the up side, “in common use” is increasingly easier to demonstrate these days. In some areas it’s almost to the point you’re the odd one out if you go to the range and don’t have at least one FRT with you.

  • Carmakazi@fosscad.io
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    2 months ago

    NJ here.

    Yes, our bump stock ban is probably worded as such that it would include FRTs. No manufacturer or retailer I’ve seen will ship one here. You could probably buy one in PA, but nobody wants to be the guinea pig dragged through the courts for good reason. You’d have nowhere to shoot it regardless.

    • Grey Summit Gear@fosscad.ioOPM
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      1 month ago

      “Bump stock” means any device or instrument for a firearm that increases the rate of fire achievable with the firearm by using energy from the recoil of the firearm to generate a reciprocating action that facilitates repeated activation of the trigger.

      Our opinion on that is that “recoil” is the mode of operation. Hence why we sell to NJ.

      If you were to bolt the rifle to a bench rest or similar - a bump stock would not work, but a super safety would.

      Recoil is the impulse of the whole rifle backwards - not the gas system pushing the BCG backwards.

  • sqweeeeeeee@fosscad.io
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    1 month ago

    I am curious if New Mexico intends to apply HB0038 UNLAWFUL POSSESSION OF A WEAPON CONVERSION DEVICE to FRTs, because they didn’t use the standard definition for machinegun. For the federal definition, it was determined in carghill that “function of the trigger” related to the trigger itself moving rather than the squeeze of the trigger finger, but this NM definition sounds like it is focused on the action of the finger…

    “(1) “fully automatic weapon” means a weapon that shoots, is designed to shoot or can be readily restored to shoot more than one shot, without manual reloading, by a single and continuous held pull of the trigger;”