Mossberg Accu Choke Question


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amd6547
November 7, 2010, 10:12 PM
I have a 20" barrel for my Mossberg 500 marked "Accu Choke"...Many of the the choke tubes I see for sale are marked "Accu Choke II"...Whats the difference? Interchangeable?
My barrel came with a modified choke tube, and I would like to experiment with different chokes.

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Onmilo
November 8, 2010, 09:37 AM
ACCU_CHOKE ll tubes fit flush to the muzzle
Original Accu-Chokes look like Win-chokes and have a knurled portion that extends from the muzzle like the Win-Chokes because basically that is what they are.

You can use Accu-Choke ll tubes in any barrel marked accu-choke.
You can also use Win-chokes, Browning invector chokes, Savage choke tubes, and Smith and Wesson tubes in the barrel. Colonial Choke Tube also makes a "Universal" set of tubes that will work in that barrel. HTH

I have a 20" Accu-Choke barrel on my Mossberg 500 and LOVE IT!

amd6547
November 8, 2010, 11:27 AM
Thanks for the info, onmilo. The modified tube that came with this barrel is flush to the muzzle, so I guess it must be Accu Choke II.
I bought this barrel at a gun show...I got asked if I wanted to sell it several times.

dak0ta
November 8, 2010, 12:42 PM
I wish they kept the knurled portion so you could easily check choke tightness in between rounds during clays etc.

How are the Accu-Chokes II compared to WinChokes, Invector chokes in terms of patterning and overall quality?

Onmilo
November 9, 2010, 09:22 AM
I'm pretty happy with them.
I just bought a Skeet tube for the princely sum of five bucks, new in the package at a gun show.
I have everything else including several steel shot tubes that pattern better than any other steel shot tubes I have tried.

You can easily tell if an Accu ll tube is coming loose because they will extend from the muzzle and you can feel it.
They also stay in place much better than the older extended portion tubes.

The steel shot tubes are extended and need to be checked more often but they also prevent the steel shot from beating up the muzzle and threads in the barrel.

oneounceload
November 9, 2010, 09:55 AM
You can easily tell if an Accu ll tube is coming loose because they will extend from the muzzle and you can feel it.
They also stay in place much better than the older extended portion tubes.

If you use some shooting grease or "never seize", the chokes should stay snug once tightened until you loosen them to remove for cleaning

Onmilo
November 11, 2010, 10:55 AM
Choke tube grease is always a good idea.
It will also help keep a tube from becoming hopelessly fused to the muzzle.

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