Adding suppressor to browning a-bolt with boss?

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Mar 16, 2025
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Location
Colorado
I have an old 1990s A-Bolt with the BOSS system in 300 Win Mag. It sucks to shoot it in the current configuration because of the noise, kick and muzzle rise. If I order a 9/16x24 to 5/8x24 thread adapter, will it be fine to put a suppressor on it? I’m worried that the alignment may not be perfect on the original threading and that I’ll end up with a baffle strike.
 
I have an old 1990s A-Bolt with the BOSS system in 300 Win Mag. It sucks to shoot it in the current configuration because of the noise, kick and muzzle rise. If I order a 9/16x24 to 5/8x24 thread adapter, will it be fine to put a suppressor on it? I’m worried that the alignment may not be perfect on the original threading and that I’ll end up with a baffle strike.

You will be fine, provided you get a quality adapter.
 
I have an old 1990s A-Bolt with the BOSS system in 300 Win Mag. It sucks to shoot it in the current configuration because of the noise, kick and muzzle rise. If I order a 9/16x24 to 5/8x24 thread adapter, will it be fine to put a suppressor on it? I’m worried that the alignment may not be perfect on the original threading and that I’ll end up with a baffle strike.

It will be fine.

Are you sure it is 9/16x24 muzzle? The M70 with BOSS I have is 5/8x24.
 
I’ve got a late 90s abolt II in 270 with a boss .. I think used a 9/16 - 5/8-24 adaptor on it. No problems
 

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For those that took the Boss off and put a can on: any reduction in accuracy? My .300 WSM shoots very good groups that I don’t want to lose, but the noise is tough. If there isn’t a noticeable change in accuracy I want to try putting a can on mine.
 
I recently bought a 9/16 to 5/8 adapter from Hughes precision. It’s for a 90s a bolt stainless 7mm. I haven’t used it in years so now it may have a reason to come out of the safe.
 
It will be fine.

Are you sure it is 9/16x24 muzzle? The M70 with BOSS I have is 5/8x24.
Yep, 9/16x24. I have one on my 7mag medallion. But I use the CR because of the damn noise. Consider getting one of those.
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Look at the back of my BOSS box to get your correct model for your rifle.
 
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