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What aftermarket barrel for a 17 hornet?

Love my CZ , but am looking at an aftermarket barrel to squeeze all the potential I can out of the round. here's what it can do on a windy day at 100 yards, wind gusts of 15 to 20 mph.
I'm looking at three manufacturers as many don't do a 17 caliber, potentially here's where I'm looking.Lilja, Shilen, Green Mountain Pac- Nor so far they show they make barrels for it. It took three shots to get in the black, I quit after that way too windy, Kelblys range in Dalton Ohio.The three shots in the diamond were all shot in sequence. 20 grain Hornady.
 

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I'm not sure a different barrel is gonna make your gun shoot better in the wind, I suggest you test in a calm day then evaluate. Ive got some factory CZ barrels that shoot really well.
May be your load also, to many variables in the wind especially with a little 17 cal
 
My Savage 17 Hornet loves CFE Black with 20g Hornady's and Federal Gold primers, Tunes close to the book max, around factory velocities. I expect that your CZ would too.
 
Maybe workon your load some more first. My CZ in 17 Hornet shoots lil tiny groups. But I did have to work up several test loads multiple times.
Problem is I don't reload and probably won't anytime soon, I've secured 1000 rds. all 20 grain, not missing any varmints but anxious to try a different barrel.
 
I wouldn’t be one bit afraid of a Green Mountain. With what you’re after using factory ammo, I would do a large amount of measuring, then look at a reamer made to the ammo. As I see it that is the one and only tweak you have.

As I have mentioned prior to this thread, I moved to the 17FB, but I roll my own as well. The FB was sooooo much easier to get to cooperate than the problem child Hornet, lol. Danged if I have not swapped it or sold it yet either, lol.
 
Love my CZ , but am looking at an aftermarket barrel to squeeze all the potential I can out of the round. here's what it can do on a windy day at 100 yards, wind gusts of 15 to 20 mph.
I'm looking at three manufacturers as many don't do a 17 caliber, potentially here's where I'm looking.Lilja, Shilen, Green Mountain Pac- Nor so far they show they make barrels for it. It took three shots to get in the black, I quit after that way too windy, Kelblys range in Dalton Ohio.The three shots in the diamond were all shot in sequence. 20 grain Hornady.
If you really must rebarrel"..pac-nor 3 groove 9twist. #4 or #5 contour..
But I would give a world and try on reloading, I have yet to get great accuracy from factory loads.
I have also found LT32 as one of the best powders for accuracy in the 25 grn Vmax's.
Second AA2200.
 
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With factory ammo only, I would doubt you will see much improvement in accuracy with a different barrel. If you reload, then you would likely get better accuracy from any barrel from load development and testing.

One option you did not state, was testing more brands of factory ammo in with your current barrel. My CZ, with the heavy varmint barrel, likes the Federal American Eagle 20 grain more that Hornady 20 Vmax. I know some insist those are both made by Hornady, and they might be, but perhaps to slightly different specifications, and not identically produced. There is also Winchester, which my buddy's Savage likes better than Hornady 20 also. I know it will be virtually impossible to get all three brands to test, but eventually you should try them all. Even from lot to lot of the same ammo, it varies, so that might be a factor to keep in mind. If you find a brand and load of factory it likes, see if you could buy a volume of it of the same production lot.

Reloading the 17 Hornet is not an easy "starter" project in my experience. It's picky, and you have to be very precise on charge weights and seating depth, primer selection, brass prep. Some insist you must neck turn the Hornet brass (only brand available of unfired brass), so sticking with factory offerings makes sense if you don't want to invest in the equipment and learning curve. Though it's nearly impossible to get any 17 Hornet ammo, (or brass, or primers, for that matter) right now.

If you've got the funds to change, sounds like a fun idea. If it were me, I'd try my best to figure out exactly how well my current barrel shoots, under ideal condition (little to no wind, solid bench rest, decent temperature, yadda yadda) and test with the Hornady, Federal and Winchester brands. You might be happily surprised that one of those 3 shoots better than the rest, and give you tiny little groups.

And after you get the new barrel, and do a little break-in, then try to test under the same "best conditions" as the factory barrel, and see if you actually have more accuracy with any of the three brands. You'll want to know which of the factory ammo shoots best from your new barrel also, so you can buy what it likes. If you have a real nice new barrel, and ammo it doesn't like, it would be a waste of money without the full benefit. Which is what you apparently are seeking, reaching its full potential.
 
I have all three ammo types, this group shot last week at 100 yards the , final three shots in the triangle measure from top to bottom one half inch exactly. maybe I'm jumping the gun here. The three shots helter skelter were prior to adjustments during extreme wind gusts. Here's a group shot at 50 yards right jpeg, this is what I'd prefer at 100. whadda ya think, THX
 

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I’d float the barrel and bed the action first, but it sounds like you want a new barrel. Just keep in mind that accuracy encompasses many factors. Barrel quality is only one (albeit important) puzzle piece. Using store-bought ammunition only, it is very possible that a new barrel will not shoot any better than the factory one. Matter of fact the gun might shoot worse.

Also keep in mind that the 17 Hornet does have limitations. Clover leaf 100 yard groups are possible but that’s a rabbit hole which could have you chasing your tail. The likelihood of achieving that level of accuracy without working up loads via reloading is slim.
 
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I’d float the barrel and bed the action first, but it sounds like you want a new barrel. Just keep in mind that accuracy encompasses many factors. Barrel quality is only one (albeit important) factor. Using factory ammunition only, it is very possible that a new barrel will not shoot any better than the factory one. Matter of fact the gun might shoot worse.

Also keep in mind that the 17 Hornet does have limitations. Clover leaf 100 yard groups are possible but that’s a rabbit hole which could have you chasing your tail. The likelihood of achieving that level of accuracy without working up loads via reloading is slim.
A top 17 barrel manufacturer just stated after seeing these groups implied that his barrel probably wouldn't shoot better. I've not missed any varmints out to 200 yards , and quite a few have been taken, i may re-think this. Just wanting to spend some money.
 
If that 527 isnt bedded thats were I would begin. Out of the 6 I have everyone shot better after I bedded then
 

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