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 Post subject: 725 Sporting choke questions
PostPosted: Sun Apr 04, 2021 2:07 pm 
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Joined: Sun Apr 04, 2021 1:44 pm
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OK y'all need some help. I just bought a 12 gauge Citori 725 Sporting for my son who is an avid high school skeet shooter. He's a junior in HS and has been shooting competitively a couple of seasons now. Once he started shooting 25s or near 25s with a fair degree of regularity we thought it was time to up the game and get him a legit competition gun. The 725 came with the standard set of chokes as well as a skeet tube. I am assuming skeet for the bottom barrel and the IC for the top using the factory set. I have read other posts and there seems to be a great amount of debate regarding the factory tubes vs aftermarket. I am an avid shooter but not a regular skeet shooter. What would be the recommended choke tube setup / combination for this gun? Patterning the factory chokes was inconclusive. Any advise would be greatly appreciated.




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 Post subject: Re: 725 Sporting choke questions
PostPosted: Sun Apr 04, 2021 2:53 pm 
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If your wallet feels heavy, buy shells not chokes. They used to use Skeet #1(Skeet) and Skeet #2(Light Mod)

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 Post subject: Re: 725 Sporting choke questions
PostPosted: Sun Apr 04, 2021 3:35 pm 
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Location: Skeet and Trap Fields
Either get another Skeet choke and shoot Sk/Sk (which is what most skeet shooters use) or use the Sk choke for the first shot and the cylinder choke for the second shot on doubles. Skeet II (light mod) is tighter than you need to go. Skeet is just a 20 yd game. If your want to do tighter go IC/Sk with IC being your first shot. If you son is as good as you say, it won't likely matter much.


Last edited by twohigh on Sun Apr 04, 2021 7:37 pm, edited 1 time in total.

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 Post subject: Re: 725 Sporting choke questions
PostPosted: Sun Apr 04, 2021 4:23 pm 
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Without knowing what your chokes mic or pattern, my suggestion would be to call up Briley, Carlson, or Trulock and order two skeet chokes.

Browning chokes are notoriously mismarked, so I wouldn't rely on what's printed on them, and if they are marked correctly, he should not be using IC (.010) anyways.

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 Post subject: Re: 725 Sporting choke questions
PostPosted: Sun Apr 04, 2021 4:24 pm 
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The old Sk1 and SK2 aka Skeet In and Skeet Out were .003 and .008, not .015. Standard US skeet is .005; of course, your IC may work just fine - hit the pattern plate as there really isn't too much difference between .005 and .010

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 Post subject: Re: 725 Sporting choke questions
PostPosted: Sun Apr 04, 2021 7:44 pm 
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My experience with Browning chokes are that the Skeet and IC chokes are pretty close to the .005" and .010" constrictions that are std. However, the mod. light mod and improved mod chokes are more open (less constriction) than most other mfg. My Browning Full chokes are the std .030" constriction.


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 Post subject: Re: 725 Sporting choke questions
PostPosted: Sun Apr 04, 2021 8:09 pm 
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Sorry, .030 is standard IM, not F; .040 is F

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 Post subject: Re: 725 Sporting choke questions
PostPosted: Sun Apr 04, 2021 11:26 pm 
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Location: Skeet and Trap Fields
oneounceload wrote:
Sorry, .030 is standard IM, not F; .040 is F


Carlson Inv+ and DS chokes show Full at .030" constriction
Trulock Inv+ and DS chokes show Full at .030" constriction
Remington RemChoke Full choke (1 notch) shows .030" constriction
Briley Inv+ and DS chokes show Full at .035" constriction
Browning Inv+ chokes (specs) show Full at .035" constriction (mine measured .030")
Browning Inv chokes (specs) show Full at .030" constriction
Beretta Mobile Chokes show Full at .028" constriction
Krieghoff Chokes show #4 Full at .035" constriction, and #3 IM at .030"
Perazzi Chokes use a numbering system with #10 being .040" (which most would call extra full) and #8 being .032" (which most would call Full)
Muller U4 (Full/Xtra Full) shows .035" constriction.

Carlson, Trulock, Briley and Krieghoff show Xtra Full or Super Full choke at .040"

What I found is that there is no actual std constrictions. Most choke mfg base their constriction on that which is necessary to achieve the actual pattern. Most use either .030" or .035" constriction in their Full chokes to achieve those patterns.


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 Post subject: Re: 725 Sporting choke questions
PostPosted: Mon Apr 05, 2021 7:46 am 
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Nominal constrictions:
IC - .010 aka 1/4 choke
M - .020 aka 1/2 choke
IM - .030 aka 3/4 choke
F - .040
each nominal choke has .005 either way which is why we call .015 Light Mod

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 Post subject: Re: 725 Sporting choke questions
PostPosted: Mon Apr 05, 2021 9:13 am 
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Improved mod is .025

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 Post subject: Re: 725 Sporting choke questions
PostPosted: Mon Apr 05, 2021 9:17 am 
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Location: Skeet and Trap Fields
oneounceload wrote:
Nominal constrictions:
IC - .010 aka 1/4 choke
M - .020 aka 1/2 choke
IM - .030 aka 3/4 choke
F - .040
each nominal choke has .005 either way which is why we call .015 Light Mod


Ok, you can say whatever you like, but where do you get your info that .040" is a typical (nominal) full choke constriction? I have shown where I got the published spec numbers of .030" and .035" constrictions for full choke being more typically used by the majority of shotgun mfgs and aftermarket choke mfgs.


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 Post subject: Re: 725 Sporting choke questions
PostPosted: Mon Apr 05, 2021 9:25 am 
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Basics of .010 increments - .010 is 1/4, .020 is 1/2, .030 is 3/4; therefore .040 is full; each has a range of .005 either way.
That came to me from an English friend

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 Post subject: Re: 725 Sporting choke questions
PostPosted: Mon Apr 05, 2021 12:25 pm 
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Joined: Tue Nov 15, 2005 9:33 pm
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Location: Mascoutah IL
Skeet in the bottom barrel and skeet in the top barrel.


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 Post subject: Re: 725 Sporting choke questions
PostPosted: Mon Apr 05, 2021 8:43 pm 
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I have a Miroku (Browning Citori) and replaced my choke's with Briley because the skeet chokes I had would get a build up of plastic in them .
Don't have that problem with the Briley's.

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 Post subject: Re: 725 Sporting choke questions
PostPosted: Tue Apr 06, 2021 10:40 am 
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Joined: Wed Mar 06, 2019 3:56 pm
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Cylinder, Skeet, and Improved Cylinder are all used. I know you said pattern board was inconclusive but what you see on the pattern board trumps any internet advice you can get here. Let your son pattern it at 21 yards and choose the pattern that gives him the best odds of breaking the clay. Don’t over think it.


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 Post subject: Re: 725 Sporting choke questions
PostPosted: Tue Apr 06, 2021 3:37 pm 
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Goodness, you guys make it sound hard. Simple answer...buy another Browning skeet choke and shoot it skeet and skeet. Maybe another $50 investment.

The other brand chokes are all okay but the Browning chokes are a good fit for the gun and they will all match in appearance.

I think the rules were different back when guns were choked skeet 1 and skeet 2 and the shells were not as good as they are now.


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 Post subject: Re: 725 Sporting choke questions
PostPosted: Tue Apr 06, 2021 3:56 pm 
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Location: South east Michigan
My old 725 sporting cyl,sk,ic we’re all within .003
Basically all the choke .
I replaced them with brileys
True to size

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 Post subject: Re: 725 Sporting choke questions
PostPosted: Tue Apr 06, 2021 7:07 pm 
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Im not really sure how patterning is inconclusive?
You dont even need to read the letters on the choke, Patterning them and which ever one fits your needs use it.
I will take patterning over measuring , and letters , on any choke any day.
It takes some time and consistency but its by far the best method, Also different ammo cn pattern different through same choke.

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 Post subject: Re: 725 Sporting choke questions
PostPosted: Wed Apr 07, 2021 9:16 am 
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Bill M. wrote:
Goodness, you guys make it sound hard. Simple answer...buy another Browning skeet choke and shoot it skeet and skeet. Maybe another $50 investment.

The other brand chokes are all okay but the Browning chokes are a good fit for the gun and they will all match in appearance.

I think the rules were different back when guns were choked skeet 1 and skeet 2 and the shells were not as good as they are now.


It's been well documented that the factory Browning Invector DS chokes suffer from improper and varying constrictions. You simply can not believe the constrictions as marked. Previous factory Invector Plus chokes were made by Briley and were quite good. The DS chokes are not. You can mic and pattern the chokes and find out what the actual constriction is, or buy some aftermarket chokes from a reputable choke maker. Personally, it was easier to just buy two Briley skeet chokes and not worry about it.


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 Post subject: Re: 725 Sporting choke questions
PostPosted: Wed Apr 07, 2021 9:46 am 
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I went with aftermarket chokes on both of my skeet guns and found that both pattern better than the "stock" Browning flush chokes that came with them. My 12ga Citori got Carlson SK chokes in both barrels and my Miroku 20ga Mk 70 got Angleport .005 chokes in both barrels. I decided not to invest in Midas extended chokes and went aftermarket instead. I'm very satisfied with the results.



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