What IC choke constriction?

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crenshawco
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What IC choke constriction?

Post by crenshawco » June 16th, 2013, 8:49 pm

I'm about to buy an IC choke and want some input on what exit diameter y'all think I should go with. I'm shooting a Rem 870 21" 20 gauge and TSS straight 9's in the 1 5/8 load. I'm going to post my pattern pics so far so maybe that will give some reference to how my gun is shooting. I am hoping for 250/250. So, what do y'all think, .555, .562, or .570?

Trulock .585
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RSF .570
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Carlsons .575
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Johndoe
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Re: What IC choke constriction?

Post by Johndoe » June 16th, 2013, 10:37 pm

The IC will most likely give you what you got from the Carlson. They are tight.
Image

There are no numbers on any of my clocks below 8. Then all of a sudden, 2 days before turkey season they appear. Then right after the season they disappear.
What's up with that

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el diablo
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Re: What IC choke constriction?

Post by el diablo » June 16th, 2013, 10:52 pm

I would think the .570 IC would give you the closest to the desired 250/250 split. Which 1 5/8oz load are you shooting. I would expect your overall pellet counts to be a little higher with all those chokes. DId you just shoot one shell out of each choke?

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crenshawco
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Re: What IC choke constriction?

Post by crenshawco » June 17th, 2013, 5:16 am

I am shooting the big 20 xl load. I thought my numbers sounded a little low compared to some other patterns I have seen on here. I can't figure out what is going on.

Also, I have shot two shells out of each choke so far and these are the best patterns

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Johndoe
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Re: What IC choke constriction?

Post by Johndoe » June 17th, 2013, 7:12 am

Polished barrel? You may have answered this before.
Image

There are no numbers on any of my clocks below 8. Then all of a sudden, 2 days before turkey season they appear. Then right after the season they disappear.
What's up with that

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Spuriosity
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Re: What IC choke constriction?

Post by Spuriosity » June 17th, 2013, 7:56 am

Can't speak to the choke question, but the "low" numbers could relate to pellet count/ oz with your sample. No idea how yours count, but there have been some really high number patterns shot with 9s that count 425/oz which is considerably more than nominal. Weighing out an ounce and counting the pellets is always the first thing I do when I get a new batch of shot, so I can compare apples to apples. Great patterns all.

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crenshawco
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Re: What IC choke constriction?

Post by crenshawco » June 17th, 2013, 9:22 am

Barrel was polished before this past season and has had probably 15-20 shots through it since. I really do need to polish it again and shoot but I've been to lazy to do it.

Spuriosity, I hadn't really thought about the different pellet counts per oz because I didn't know it varied that much. I will do that tonight. Thanks

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BrentM
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What IC choke constriction?

Post by BrentM » June 17th, 2013, 9:37 am

Crenshaw how many pellets are you getting outside the 20? I have the same gun as you and the same Carlson's 575 choke and I get 500 in the 20 most of the time shooting 1 oz 9's and 5/8oz 8's.
I think Hal's 9's usually run around 390/oz but maybe you got some big ones. Even if they are 360/oz you should still have about 590 pellets in that load so alot of them are unaccounted for outside the 20" ring.
Looked like the 585 Tru lock got the most #'s in the 20. I've got a 585 Carlson's flush fit that did good in mine you can try it out if you want to.

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hawglips
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Re: What IC choke constriction?

Post by hawglips » June 17th, 2013, 9:57 am

The largest batch lately has been about 370/oz. So, there should be at least 600 in that load.

chris30br
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Re: What IC choke constriction?

Post by chris30br » June 17th, 2013, 10:35 am

I have a batches of the 370 #9's and my g n is hanging around the 220/270 range with a .575 Indian creek. But will go 250/230 with 9x8 load. If it were me and I just wanted to shoot the 9's I would go .570 and stay with the 250/250 patterns. You can over choke tss. And you down range patterns will suffer. I know this for a fact. Done shot 10lbs of this stuff year to test. But in the end Iv got three killer guns

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Re: What IC choke constriction?

Post by gophert » June 17th, 2013, 11:38 am

el diablo wrote:I would think the .570 IC would give you the closest to the desired 250/250 split. Which 1 5/8oz load are you shooting. I would expect your overall pellet counts to be a little higher with all those chokes. DId you just shoot one shell out of each choke?
This is my thought as well. The first thing I would do is polish my barrel. If you are not shooting a red dot or scope, I would NOT consider the IC .555. Based on that load, with the same set-up, I am pretty confident the IC .562 will run around 300/230 and the .570 280/250.

I agree with Wes as well. You may want to count out how many pellets are in an ounce that you are shooting just for future comparison. I was getting crazy low numbers one time, and realized I was shooting 8's(thanks to Shooter's suggestion). I then realized I had a SMOKIN TSS 8 load/combo, but first thought my gun was pissed at me or something.

Tim

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BrentM
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What IC choke constriction?

Post by BrentM » June 17th, 2013, 11:47 am

Chris 30,

Is your 8x9 duplex half and half? Did you get Indian creek to make you a .575 choke? Those are exceptional numbers with some 8's mixed in a 20 ga. Makes me want to experiment a little

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Re: What IC choke constriction?

Post by chris30br » June 17th, 2013, 4:25 pm

BrentM wrote:Chris 30,

Is your 8x9 duplex half and half? Did you get Indian creek to make you a .575 choke? Those are exceptional numbers with some 8's mixed in a 20 ga. Makes me want to experiment a little
Yes I am loading half of 9's on the bottom and the other half of 8's on top. With 15 grain of buffer. I had Mike at Indian creek cut a .575 back in the spring for a more open huntable pattern for my lil cousin and I got the best of both worlds. Works well with my 9x8 load and gives her a lil wiggle room with straight 9's

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crenshawco
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Re: What IC choke constriction?

Post by crenshawco » June 17th, 2013, 7:30 pm

Just counted an oz of my shot and got 369. So I should be getting higher numbers it seems. I'm going to polish my barrel and shoot again in the next week or so. Ill update on the progress.

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bigdoc
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Re: What IC choke constriction?

Post by bigdoc » June 17th, 2013, 7:41 pm

I HAVE BEEN SHOOTING 3 IC CHOKES AND GOT 256 IN THE 10" AND 250 IN 20" WITH A 570 IC PORTED.

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