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22-250 for heavier bullets?

 
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  #1  
Old 09-06-2004, 09:32 AM
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Join Date: Sep 2004
Location: Michigan
Posts: 12
22-250 for heavier bullets?

Kind of leaning toward rebarreling a 22-250 for heavier bullets. Maybe something in the way of 70 to 80 grain VLDs for longer range shooting.

Before investing in this project can anyone advise any downside?

For 70 to 80 grain VLDs would 1 in 8 or 1 in 9 be best. Also would 3 groove, 4 groove, 5 groove, or 6 groove be best.

Thanks for your input.

Great board.

Tim
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  #2  
Old 09-06-2004, 03:37 PM
 
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Re: 22-250 for heavier bullets?

timberflint,

It's very difficult to say if your project has any downsides until we know what you intend to use this project for.

As a cartridge used to fire heavy bullets, the 22-250 is excellent. I'm using it right now in a test barrel with a 7 twist for 90 grain JLK's. It will also handle the 77 and 80 grain Sierras and Bergers.

Mine is a 6 groove but most will vote for the 3 groove now-a-days since they believe that throat erosion is less. Whatever you choose, it should at least be stainless steel. The 1:8 twist will be fine for the 80 grain bullets. The 90's require a faster twist.

Post what you're considering about doing with your project.

Regards.
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  #3  
Old 09-06-2004, 04:02 PM
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Re: 22-250 for heavier bullets?

Crispin,

Thank you for your info.

Basically we are doing some informal longer range shooting. Mostly at 600 yards right now but hope to get out to 1/2 mile (880 yards). I am a wimp about recoil so trying to come up with something in a .22 cal that will reasonably hold up. Also have always enjoyed the 22-250 as grew up with one ground hog hunting in Ohio.

My Rem 700 VSSF (1 in 14 twist) surprisingly has done fairly well at 600 yards with 50 grain V-max. Best was 9 rounds (3 - 3 shot groups)in 3 1/2 inches. Obviously light wind.

We have done a little better with a .223 (1 in 9 twist) with 69 and 75 grain bullets. This is where my interest came for a faster twist for the 22-250.

Would you know if the faster speed of the 22-250 will change the twist needed in the 22-250 vs the .223 for the same weight bullet? Does that make sense? What I am wondering is if a 1 in 9 twist is recommended for a Berger 75 VLD would speed not change that recommendation?

Thank you very much for your time and input.

Tim
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  #4  
Old 09-06-2004, 05:46 PM
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Re: 22-250 for heavier bullets?

Timberflint,

THe 22-250 is a fine chambering for the heavy VLD bullets as it will produce good velocities and still be easy on your throat for long barrel life.

An even better round in my opinion would be the 22-250 AI as it will give a little more velocity with the big bullets but more importantly, your brass will last several times longer with appropriate loading compared to the shallow shouldered 22-250.

This is a very impressive little combination for someone wanting to reach out to the half mile mark, and touch some varmints or puch paper. IT will certainly reach out farther but only in calm conditions with consistancy.

Its kind of funny, I have a 30", straight cylinder 1.250" diameter Lilja blank with a 1-8" twist just sitting in the shop waiting for me to do something with it or use it for a customers project.

I am sure it is a 3 groove barrel as these are my preferred barrels for most extreme accuracy barrels.

The 3 groove throat holds up better then the 6 and 8 groove will. With the tight throats I get on my reamers, this also helps limit throat erosion.

Bullet wise, I would either use the Berger 80 gr VLD or one of Richard Graves ULD designs for the .224" caliber.

If your interested in the barrel or having it fitted to an action for you let me know and I will get you pricing information.

The reason I ordered the barrel was that I was going to build myself a rifle similiar to what you have in mind except I was going to use the much larger 22-6mm AI chamber to really snort those big VLD's out fast.

This would be for extreme range varminting(800-1000 yards) so I would not be as concerned with throat life as you would be if you were competing with the rifle.

Still the 22-6mmAI will deliever about 400 fps over what the 22-250 will.

If your interested let me know and I will get you more information.

The last several extreme range .224" rifles I shipped out the door have been quite impressive at the 1/2 mile mark. Those were in 223 AI(if youcan believe that), 22-250 AI and the 22-6mmAI.

All used medium heavy contoured barrels in the #6 to #8 range in 1-8" twists and all were Lilja barrels.

GOod Shooting!!!

Kirby Allen(50)
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Kirby Allen(50)

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Home of the Allen Magnum, Allen Xpress and Allen Tactical Wildcats and the Painkiller Muzzle brakes.

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  #5  
Old 09-06-2004, 07:56 PM
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Location: Michigan
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Re: 22-250 for heavier bullets?

Kirby Allen,

Than you very much for the ideas and information.

Had not considered the 22-250 AI or even thought about a .223AI. Both are interesting ideas.

As I am still in the planning stage will definitely keep your Lija barrel in mind. Still not sure weather to use either a Remington or Savage action. Have always shot Remingtons but hearing really good things about Savages.

Sounds like the 22-250 will work for heavier bullets with the faster twist.

Thanks again for your help.

Keep smiling and great shooting.

Tim
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  #6  
Old 09-06-2004, 08:17 PM
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Join Date: Aug 2004
Location: utah
Posts: 302
Re: 22-250 for heavier bullets?

I have seen a 22-250 Ackley Imp. 1-8 twist
in action for over a year now,it seem's to be
about the perfect powder cap. for vld bullet's in the 69 to 80 gr. range. A 22-284
is tooooo much as I witnessed a barrel burn
out in less than 1000 round's,a straight 22-
250 is a waste. go to a 22-250 IMP.or a 22-
6mm as fiftydriver suggested
B.
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  #7  
Old 09-06-2004, 11:23 PM
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Re: 22-250 for heavier bullets?

Timberflint,

Personally, as an extreme accuracy minded gunsmith, I would go with a Rem 700 ADL action converted permanently to single shot if I were to use a factory action for such a project.

They can be printed easily and produce true match grade accuracy for this type of project. I say ADL simply because of the solid bottom stock design which is much more rigid compared to the BDL version with its open floor plate.

IF the look of teh BLD is preferred, I recommend converting the action to single shot and filling the mag well cut out in the stock with bedding compound to stiffen it up.

Costs more then using an ADL action but gets the same results.

The Savage is a great action as well, but I prefer to get rid of the barrel locking nut and fit a Savage barrel just like a REM action. THis allows the use of full diameter 1.250" barrels instead of the roughly 1" barrels needed to pass through the barrel lock nut.

Also, Savage actions are tricky to bed properly. It is possible for sure but the rear tang and the barrel locking nut(if used) require special attention when bedding or you will get serious variations in your groups.

Liek I said, the Savage actions will shoot but they take more time and generally a little more money in labor to get them to equal the Rem 700.

The 223 AI is a hell of a round providing performance all out of porportion to its size,

BUT!,

For what you are wanting to do, I would go with at least a 22-250 AI with the extra horsepower needed to drive the big 75-80 gr VLD bullets.

Like I said, I prefer the 22-6mm AI with its much higher velocity potential, or looked at another way, you can beat the 22-250 AI by a fair margin with dramatically less pressure or with the same pressure levels you can flat out smoke it or the 220 Swift.

Let me know on the barrel if your interested and I will get you a price.

Kirby Allen(50)
__________________
Kirby Allen(50)

Allen Precision Shooting
Home of the Allen Magnum, Allen Xpress and Allen Tactical Wildcats and the Painkiller Muzzle brakes.

Farther, Faster and Flatter then ever before.

Web Page: www.apsrifles.com

allenmagnum@gmail.com
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