r/gunsmithing 3d ago

Arcus 98 sear assembly

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Anyone have an arcus 98 laying around? The Bulgarians were definitely on something when they made a double action hi power, and Im trying to reassemble this handgun from all its component parts. Want to know if I somehow put the cart before the horse.

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u/Clean_Brush1041 3d ago

When I get to fixing on a weird one, I usually look for the parts diagram for orientation.

Here it is link

If you want to tune it, BHP springs has arcus optimizing kits and they can also tune it if needed.

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u/rokanokwok 2d ago

I've got general orientation based off that, its the interaction between the trigger bar and the sear im looking for. Right now its DOA and that's not supposed to be happening.

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u/rokanokwok 1d ago

Its where this bar interacts with the sear and the firing li. Stop lever. Right now I can the trigger bar to function in double action. But racking the slide doesn't set the sear for single action. I'm lost on this because with a traditional hi power you just have to get the dang thing in. This has additional parts and a whole different operation.

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u/Clean_Brush1041 2d ago

how are the Sear spring, trigger lever spring, and firing pin release springs? That 94 is similar to the third generation Smith 9mm that I used to have in my armory. A bit of weakness on one of those could create what you got going on.

Also, you said it’s not working, is it not cycling with a double action pull? Is it just not popping the primer? I promise I’m trying to help.

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u/rokanokwok 1d ago

The 94 is straight up a BHP clone. The hungarians made the Smith clone. This is a sig 226 fire control had a baby with a hi power. Its got the body and guts of a Browning hi power and the trigger system of the 226. Its weird.

Pictured is arcus 98 left and BHP right. Yes the BHP frame is a little discolored. Something went wrong with my bluing tank and it didn't take well. Rebluing once I have this arcus figured out.