Who has built an AR-10 in 22-250 out there? Help me order an outrageously expensive custom barrel, or talk me out of it.....

Shooting lite weight bullets from any of these medium size case's with a fast twist probably won't work very good. The varmint style bullet's will more than likely come apart not long after leaving the barrel. That's why most 22-250 factory barrel's have slow twist rates.
As far as the 22 CM goes, Peterson and Alpha make brass for it, and Hornady is rumored to start producing factory ammo for it. I've always necked down Starline 6mm CM brass for mine since I have never achieved the same velocity with Peterson or Alpha without hitting high pressure.
 
Varminterror said:
As an AR-10, the weight and performance potential of the platform is wasted if chambered for 22-250.
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I’d have to agree, but I see the 22-250 as a huge waste of money as there are smaller cartridges now that that can do everything a a 22-250 can do only more efficiently.

I came to this conclusion while reloading 22-250 after building a Mauser for it.

But if you have the desire to do it, I can understand that too, besides it’s your time & money so if it’s something you want to do, I say, “GO FOR IT!”
 
kimberkid said:
but I see the 22-250 as a huge waste of money as there are smaller cartridges now that that can do everything a a 22-250 can do only more efficiently.
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I see buying a pile of short-fat 22BR/ 22GT/ 22WizBang brass as being a huge waste of money as well.... what cartridge/s would you suggest I look into that make so much more sense?
 
Another_Kelley said:
Well, that's more wiz-bang for sure but honestly I don't want to fight you jerks trying to aquire 6mm projectiles 😉 I want to use the extensive .224s I already have on hand. Plus I have a little compact 5.56 can rated to handle the extra horse power I wanted to use. I'll be forced into using an 8" 30cal can if I go to a larger bullet diameter.
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I went back and forth for a couple of years on building a fast twist .22-250 and decided it against in the long run. As far as .224 components I already had numerous .223/5/56, 22 Nosler and .224 Valkyrie to share that with.

As others have indicated, the 6mms are much more versatile than the .22-250. If you are intent on going with a custom .22 then I would recommend a 22 Creedmoor over the .22-250.
 
Varminterror said:
The benefit isn’t there. I grew up on fast twist 22-250’s, and have abandoned those for 223. It’s just easier, and it does everything I ever did with 22-250.
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As mentioned, I just don’t use 22-250’s any more.

Custom fast twist 22-250 AI’s are interesting, but much less so in a AR-10 when you’re fighting mag issues and fire forming and under length cartridges. 22GT is a bigger case and longer, the 22-250 is something like 43grn H2O capacity, the 22-250 AI blows out to ~47, while the 22 Creed is 52. Not a huge difference, and inconsequential in the field, BUT it does mean a guy can get the same speed at a lower chamber pressure with the 22 Creed than with the 22-250 AI. And yeah, the more tapered shoulder of the creed should feed more reliably.
 
If you DO decide to get a 22-250 AI, I just yesterday became proxy for managing the reloading gear for a widow, and included in his accumulation are an RCBS 22-250 AI die set and around 400-500pc of Rem Peters brass which has already been fireformed.

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Another_Kelley said:
I see buying a pile of short-fat 22BR/ 22GT/ 22WizBang brass as being a huge waste of money as well.... what cartridge/s would you suggest I look into that make so much more sense?
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I’m a firm believer in “It’s your money, your decision”
I reload and had a burning desire for a 22-250, finally built one on a Mauser receiver. When it was finally done (many upgrade change’s made during the build) I could have bought a quality rifle for much less, then started reloading and using 2-3 times as much powder as other 22 caliber cartridges.
If I were to do it again I’d probably go for 6mm Creedmoor, still a lot of powder but wider selection of projectiles, maybe 17-223? … but like I said, it’s your money, your decision.
 
I just recently got a mcgowen 22" 1-8 22-250ai barrel for my bushmaster lr308 using lancer mags. I've had zero feeding issues at this point im at 85 rounds fired. So first hand no speculated opinion mine is doing great.
 

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Thanks for the report Richard! What have ya been sending through it? Does it tend to like a particular bullet/powder you've been using? Welcome to the forum!
 
75 grain bthp match. Working up a load now trying h4831 h4895 varget imr 4350 inr 4064 right now 2960s to 3000fps. All within 1 inch groups 100yds getting better each time varget and h4895 3/4 right now so I'm pretty happy.
 
Thought I replied but dont see it. 75 grain hornady bthp match started out with h4831 imr4064 imr 4350. Varget and h4895 seem to be doing just a touch better right now. Those 2 are maintaining 3/4-1" still tinkering as of now.
 
not much difference in case dimensions on a 22creed and 22-250 or ai. lengths are within a hundredth or 2. taper on the non-ai is more. it's not the case when saying it's the brass/case then it being more of a mag issue. tune the mag feed lips. if a 243win can feed 100% in an AR (which mine does) then nothing wrong with a 22-250. i've thinking about 1 myself. i have a 6.5prc AR and a 7saum for an AR coming soon. what is stupid expensive on the cost...........300, 500, 800 or more? on a ss barrel 28" fluted AR10 it cost me $536 delivered (35 for shipping). take off 120 for the fluting and 100 for the extra length and it's just over 300. still cheaper than ant cf barrels! if i would've waited and bought during labor day sale it would've been 20% less. x-caliber, mcgowen and bsf have been my go2's if they can chamber what i want!
 
Another_Kelley said:
Thank you fellas for all the input thus far! I think the biggest reason I'm not liking my initial idea is the 22-250 cartridge taper not allowing more than 5rds to feed properly... That alone is a show stopper in my opinion! I'm not excited about buying a batch of premium 6.5 creed brass, but I've come to peace with the idea if necessary.

How much difference is there really between a 22 Creedmoor, or a straight-walled 22-250AI? Will the 22-250AI cases allow full use of a 20-rd magazine, and thus save me a couple hundred $ in new brass? I don't intend to get into 80-90gr flavors of .22s for now, so a 70-77gr bullet is going to be max for this rig, with emphasis on shooting the lighter bullets accurately, and keeping them together.

At this point, I may be looking at just a 22 Creedmoor without the typical ultra fast rate of twist... like 1-9ish? Or a 22-250AI, IF it feeds worth a hoot I spose... Will a 40gr vmax spun at 1 in 9 running well into 4k territory typically hold together? Thanks again for all your thoughts!
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Go with a 15 platform 22 nosler. It was designed for everything you've described. We went valkyrie but for what you're describing, I'd take the 22 nosler in an ar15, and save the weight from an ar10 and live happily with the performance difference I'm giving up from the creed or .22-250.... now in a bolt rig? Creed or .22-250 ai have my attention, but in an ar platform? I'd not go ar10 for anything starting with two 2's.
 
horsey300 said:
Go with a 15 platform 22 nosler. It was designed for everything you've described. We went valkyrie but for what you're describing, I'd take the 22 nosler in an ar15, and save the weight from an ar10 and live happily with the performance difference I'm giving up from the creed or .22-250.... now in a bolt rig? Creed or .22-250 ai have my attention, but in an ar platform? I'd not go ar10 for anything starting with two 2's.
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264lbc, 22br, 222rem, 22flea, 22cheetah, 224boz, 224stark (not ironman ;) ), 221fireball and a plethora more.
 
small town life said:
You said starting with 2's, so here's a start
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Ummmmmm not quite.... I believe if you reread the statement, I said not to waste time dealing with the bulk and weight of an AR10 chambered in anything starting with two 2s........... as in: I would absolutely utilize a plethora of .22 caliber offerings in an ar15 platform or bolt action; I, however, would NOT, take ANY of that plethora of .22 chamberings and attempt to use them in an ar10, the downside outweighs the upside for me.
 
horsey300 said:
Ummmmmm not quite.... I believe if you reread the statement, I said not to waste time dealing with the bulk and weight of an AR10 chambered in anything starting with two 2s........... as in: I would absolutely utilize a plethora of .22 caliber offerings in an ar15 platform or bolt action; I, however, would NOT, take ANY of that plethora of .22 chamberings and attempt to use them in an ar10, the downside outweighs the upside for me.
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Those can be chambered in AR15's. I did read "not" about AR10's is why I gave a list of cartridges that would fit into a 2.260" mag (I might have listed some that were 2.300").
 
small town life said:
for a 15 platform i'm thinking about a 6dasher or 6norma br. many things are possible in the AR platform.
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Those are gonna be a little long in a AR15 magazine, unless you seat the bullet really deep.

A 6ARC will readily fit, and you could blow it out to an AI style cartridge to get a little more case volume if you needed.
 
gotboostvr said:
Those are gonna be a little long in a AR15 magazine, unless you seat the bullet really deep.

A 6ARC will readily fit, and you could blow it out to an AI style cartridge to get a little more case volume if you needed.
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It's for light weight bullets and seating depth isn't that deep. The dasher was a typo as supposed to be 6br, but still 6norma. Having the bullets on hand makes it easier to find what does and doesn't work. QL helps out after adjusting case and bullet inputs. 6x68spc would be my choice above all.
 
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