MOSSBERG 835 choke tube markings

B

bamaranger

New member
We have had a Mossberg 835 w/ 24" bbl in the family now for some time. It's killed a few turkeys, and we even put a mag extension on it and ran it in 3-gun for a brief while. No complaints.

Recently, I more closely examined the 3 choke tubes that came with the gun. All are marked Mossberg Accuchoke and I believe they are factory tubes. Two tubes of blue or matte finish are easily explained:
-turkey full, lead shot only, extended
-full, .730, flush mount

But #3 has me confused. It is of what appears to be stainless construction (shiny) and has the Mossberg Accuchoke markings, flush mount, but then lists two choke designation:
-Mod- T&F steel
-IC- lead (it may say "all lead", I can't recall)

So the IC marking is understood, improved cylinder with lead shot. But the Modified marking has me wondering, what is meaning of T&F? I double checked the markings with a magnifying glass.

Tungsten? Full? Clearly the tube is steel rated modified....but what does T&F stand for?
 
My understanding is that an IC choke for lead is a modified choke for tungsten and ferrous metal loads (steel). And my 835 patterns pretty close to that....well it used to be mine, gave it to my oldest boy when he turned 18 a few weeks ago.
 
T & F are steel shot sizes. Steel patterns slightly tighter than lead because there are fewer flyers, but it behaves exactly the same through a choke.
 
Ah!!!!!!!!!....again

Well, I wondered about that...I knew there was "T-shot" or T-Buck, I've sometimes heard. I've got some Dead Coyote loads marked "T" . In fact, I will likely use that tube for the 'yote T-shot.

I did not know there was "F-shot". And I have never seen a tube that was marked with specific shot sizes.

Again, I learn stuff on the Forum. Did a bit of searching, F-shot is pretty big stuff, not far off #4Buck!!!!!!!

Thanks all.
 
It may interest you to know that in the AccuMag chokes that there is a Mod Steel 2 & BB as well as Full steel 2 & BB. Go to Brownells and look them up. When the 835's came out they already understood that Steel reacted to the chokes different than lead. Since the 835's were waterfowl guns they tried to make their chokes appropriate for the game / shot sizes expected to be used.

T&F is for high flying geese; aka skyscraper shots.
 
interesting

Yes that is indeed interesting. Again, I never was aware that Mossberg marked their chokes so specifically.

We bought the gun used, and I promptly screwed in a lead shot only , Colonial Arms .676 ( recent equal to the old Star Dot) and started gobbler hunting. I never took a second look at the other tubes that came with the gun very much at all.
 
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