ATI Cavalry O/U .410 and TSS 9.5 shot

Talk about 20 28 gauge & .410 bore shotguns here.
2Shooter
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ATI Cavalry O/U .410 and TSS 9.5 shot

Post by 2Shooter »

Shot this at 50 yards with Hal’s 370NM load with 9.5 shot through a Briley Improve Modified choke that sticks out of the barrel 2”. I’ve bumped the powder charge up a little, and plan to sending it off to make sure I’m not over SAAMI psi.Hal’s load runs roughly 2650 psi under SAAMI psi for a .410. I don’t like shooting over 40 yards, but want to know if I misjudge the yardage that Im good. What I have found out with the .410 speed is crucial past 40 yards for the pattern to stay together!!!
7DD5C995-6BC5-4025-B4CF-5D252767163F.jpeg
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by batsonbe »

Awesome pattern for that distance with a 410!
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by coconut »

:thumbright:
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by coconut »

Can you elaborate some on what all you tried/learned to get that pattern?
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by kythunter »

:thumbup:
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by 2Shooter »

Not to be short, but burning alot of powder, and trying different chokes! All different size, and length chokes. The ATI .410 o/u has chokes that only goes one inch down into the barrel, so it needs more on the outside of the barrel. A .410 is more finicky than most women!!! Go with a 28ga if you don’t like spending money, or chasing your tail, or have a understanding wife!!! lol
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by Waddle Whacker »

Smokin.
Feel, don't think. Trust your instincts.
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by Turkinator »

Did you shoot it with a choke tighter than imp mod For comparison? Not that you'd need to from the looks of that pattern.
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by 2Shooter »

Turkinator wrote: June 4th, 2018, 4:29 pm Did you shoot it with a choke tighter than imp mod For comparison? Not that you'd need to from the looks of that pattern.
Yeah, I have the same choke in .375, and it likes T-10’s a lot better!
68DF2902-08D0-40D2-9561-4B0F17D8B3EE.jpeg
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by 2Shooter »

Thanks fellas, I use to roll my eyes at people using a .410 to turkey hunt, and now I have been bitten by the .410 bug!!! lol
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by crenshawco »

Yours sure shoots a lot better than my Cavalry did. Mine was so poor with the factory chokes I decided not to even test any further. Congrats!
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by batsonbe »

Did you shoot 9.5s through a tighter choke or for your gun does it perform the best with the Briley IM?
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by 2Shooter »

No, that’s the next test session when I have time. I will post the results.
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by Spuriosity »

Absolutely amazing for a .410 at 50 yds. It wasn't that long ago that a 3.5" 12 ga would have a hard time hanging with that pattern.
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by coconut »

crenshawco wrote: June 5th, 2018, 8:00 am Yours sure shoots a lot better than my Cavalry did. Mine was so poor with the factory chokes I decided not to even test any further. Congrats!
Threw his sucker in the dirt and left. Just how bad was it?
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by 2Shooter »

crenshawco wrote: June 5th, 2018, 8:00 am Yours sure shoots a lot better than my Cavalry did. Mine was so poor with the factory chokes I decided not to even test any further. Congrats!
Yeah, mine was the same way even with some after market chokes. But it came alive with the Briley chokes that stick out of the barrel 2”. With the factory full it only shot 67 in the 10” at 40 yards. I was sick about it then, because the gun is light weight 4.25 lbs, but better balanced than the Yildiz single shot. Several $$$ later I’m good with it, but always tinkering to make it better! I see in a few years it will be my go to turkey gun because it doesn’t kick the crap out of you!!!
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by 2Shooter »

Spuriosity wrote: June 5th, 2018, 8:30 am Absolutely amazing for a .410 at 50 yds. It wasn't that long ago that a 3.5" 12 ga would have a hard time hanging with that pattern.
Thanks buddy! Hal sure opened my eyes to what a .410 will do!!! I know you help him a lot, so my hat is off to both of you!!! Thanks!! Wished I would have had a 3” 12ga 40 years ago when I started turkey hunting that shot that good!!!
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by 2Shooter »

F4338BFC-2098-4339-85F1-52E6FDD51C75.jpeg
This was the .375 at 50 with 9.5 shot. I think William at SumToy is right.385 is the sweet spot for a .410 with 9-9.5 tss shot. The l M choke was supposed to go in the bottom barrel for close shots. The I M measures.390 on the inside exit diameter.
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by crenshawco »

coconut wrote: June 5th, 2018, 8:32 am
crenshawco wrote: June 5th, 2018, 8:00 am Yours sure shoots a lot better than my Cavalry did. Mine was so poor with the factory chokes I decided not to even test any further. Congrats!
Threw his sucker in the dirt and left. Just how bad was it?
I don't remember exactly, but it was about 50 pellets in the 10" at 40 yards. It was pathetic
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by batsonbe »

So the .390 shot the 9.5s better at 50yrds than the .375 in your particular gun?
It shot the .375 with 10s at 50 yards better if I follow you correctly..?

Thank you
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by 2Shooter »

batsonbe wrote: June 5th, 2018, 1:02 pm So the .390 shot the 9.5s better at 50yrds than the .375 in your particular gun?
It shot the .375 with 10s at 50 yards better if I follow you correctly..?

Thank you
Yes sir that is correct
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by batsonbe »

I can’t figure out what my 410 likes. Tried the .381 .385 and factory. William is helping me out now thankfully. I’m confident I will get some better results now. I’m also trying Hal’s 370 nm
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by 2Shooter »

batsonbe wrote: June 5th, 2018, 8:10 pm I can’t figure out what my 410 likes. Tried the .381 .385 and factory. William is helping me out now thankfully. I’m confident I will get some better results now. I’m also trying Hal’s 370 nm
What kind of gun are you shooting?
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by batsonbe »

870
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Re: ATI Cavalry O/U .410 and TSS 9.5 shot

Post by 2Shooter »

Have you tried 9.5 or 10’s in the .381 choke?
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