Barrel life 800-1100 rounds!

[WyleWD]

As for the ARC case, put it in a well assembled Benchrest Rifle throated to shoot 65/68 grn (6 mm) bullets and it would probably perform quite similar to a 6PPC. Maybe a tad over bore, but with the right powder?

You are exactly correct there. It will (does). WD

 

[ELR LVR]

I ran across an article on the Creedmoor clan. It detailed each round. The thing that KO'd everything else was barrel life. They say it's 800-1100 rounds for the .22 Creedmoor! From what I understand, that many rounds might be fired on one successful PD hunt. So besides all the other costs of the trip and ammo/reloading add the not inconsequential cost of a new barrel! 800 rounds!!! SMH

Oh yeah, many a barrel has been toasted in one PD trip

 

[ELR LVR]

Yea, when I buy a pick up truck with a big V8, I’m really buying it for the fuel mileage…

Bingo!!!! ^^^
When I use my 220 Swift Ackley for 600 yd competition
do people not think I know ? lol

 

[ELR LVR]

We measured the muzzle dia with graduated reamer pilots on a grizzly rod, .0002 increments. The setback was determined at a point to where the bore diameter at the new throat was equal to the muzzle diameter. This method is extremely effective in achieving new barrel or close to new barrel accuracy. Few realize that the leade grows in width and length.

This ^^^
the leade eroding width wise is a velocity loss
setting back can actually help reduce the velocity lost from cutting an inch off
---
I think if you DONT set it back in time, the extreme velocity of the hot gases moving around past the bullet greatly accelerate throat erosion like a plasma cutter
---keep the gases behind the bullet

 

[AckleymanII]

An inch may not be enough. Measure with Reamer pilot bushings that are graduated in .0002 increments on a grizzley rod....you don't know, till you know!

 

[ELR LVR]

An inch may not be enough. Measure with Reamer pilot bushings that are graduated in .0002 increments on a grizzley rod....you don't know, till you know!

Understood, I like your method and is the right way to gauge how much is best to cut off
like dont WAIT until it has .300" throat erosion before finally deciding to set it back
---
Similar to : dont WAIT until your oil turns black, before finally deciding maybe it needs to be changed
I think people wait too long to do both things, just because it still shoots good
But just because the truck still runs good, dont mean it the oil dont need to be changed
---
what I'm suggesting, is nipping it in the bud by setting it back BEFORE it gets to that point as a preventive measure to stay on top of width wear

 

[AckleymanII]

ELR, you are exactly correct! When shooting red hot dog towns, we set back our 29" unturned blank, 243 AIs after .070 erosion, usually around 1800 rounds of really fast, hot shooting using Win 760.

First setback was about 3/4", second setback was 2", between 2"-3" on the third, and the 4th ending up being somewhere around 22-24", making it a 6 BR. We averaged 10K at a minimum on the unturned blanks, using Win 760 in the 243 AI and H335 in the 6 BR.

 

[dellet]

10 pages in and no one has mentioned that…….
This is why there is a very good market for those who have barrels that no longer meet their standards after 1000 rounds, to sell them to those whose Standards they do meet.

 

[GetReal]

10 pages in and no one has mentioned that…….
This is why there is a very good market for those who have barrels that no longer meet their standards after 1000 rounds, to sell them to those whose Standards they do meet.

As a prybar or table leg ?

 

[SKWERLZ]

As a prybar or table leg ?

Or headspace and throat gauge or bushings for the CNC lathe.

 

[urbanrifleman]

I have maybe 3 guys in 4 years that have ordered claiming they shot out the last barrel. I would say that's about .5% percent of the shooting public shoot that much. Even among guys who shoot.

Most guys have multiple rifles they are shooting in their local matches. Local match shooters outnumber National match shooters probably 10 to 1. Maybe 20 to 1.

I bet there isn't 200 hard core high volume pdog/ground squirrel shooters from coast to coast.

I'm still trying to figure out who is shooting out of these barrels that there needs to be a thread a week.

I was talking to a customer the other day and he called wanting a 25 Creedmoor. I had 6 guys ask for a 25 Creedmoor in two weeks. I asked did Cortina make a video on the 25 Creedmoor saying "if you don't have one of these 25 Creedmoors you might as well not even show up"? It seems, whatever is on Ulimate Reloader or Cortinas thing I start getting calls for some new flash in the pan. You have to admit, it's brilliant marketing.

I'm assuming the "my barrel is shot out" is similar. I'm going to say that if a person went pdog shooting and "shot out" a barrel "in one day", they probably need instruction on how to clean a barrel or that barrel was junk when it was new. But that's just me.

 

[GetReal]

Well said @urbanrifleman

I got a half dozen different rifles I shoot out to 500 to 1000 yards.

Id hafta quit my day job and do nothing but reload ammo and shoot ( no idea how Id afford the travel, ammo, food and lodging) to shoot out barrels. Of the some 10 different 500+ yard ranges Ive shot at, I typically get there first and leave last.

Id guess theres some serious exaggeration going on here. Or maybe ppl who blame their lousy shooting / crappy loads on shot out bbls.

 

[GetReal]

Or headspace and throat gauge or bushings for the CNC lathe.
View attachment 1746114

View attachment 1746111

Beyond my abilities.

 

[FrankG]

I ran across an article on the Creedmoor clan. It detailed each round. The thing that KO'd everything else was barrel life. They say it's 800-1100 rounds for the .22 Creedmoor! From what I understand, that many rounds might be fired on one successful PD hunt. So besides all the other costs of the trip and ammo/reloading add the not inconsequential cost of a new barrel! 800 rounds!!! SMH

22CM if you run it fast.... test barrels are getting smoked in as fast as 300 rounds. That's at a rate of fire of say one round per minute.

If they fire say a round every 7-10 minutes they will get about 600 rounds out of a ammunition pressure test barrel.

Dave here in the shop for a two years ran a 22CM on a PRS gun. So basically putting a 100-120 rounds a day on it during a match. So a 200 to 250 rounds in a weekend Even with running our BB barrel material... about 900ish rounds and the barrels where junk. He started blowing up bullets or lost accuracy around 700ish rounds on the first two barrels. He had me look at the barrel and he cleaned it really good. I said not good enough. I told him to give the barrel a light finish lap to it again. Bullet failure stopped and accuracy came back but only lasted another 200 rounds. The light finish lap helped smooth out the rough throat and got rid of the left over hard carbon build up in the bore. That carbon build up and rough throat was the cause of his accuracy and bullet failure issues.

Bore size vs case capacity and then factor in rate of fire, type of powder and intervals in between cleanings.... = barrel life.

You want to go fast... it's gonna cost you some where.

When I've gone prairie dog shooting (and I'd like to go this summer sometime again) I always took at least 2 rifles if not 3. If the shooting was good/hot... when one gun started getting to warm etc... I'd give it a break and go to rifle #2. Always had a 223 gun in the mix and my primary guns were 22-250 or 220 Swifts and for a long range gun a 6mm Rem. Shooting in a good town/hot area... I would normally put 300 rounds a day down range.

Just finished a rifle this past November. One of the new barrels for it is in 22-250 Rem.

Later, Frank
Bartlein Barrels

 

[wright brothers]

Thread both ends and rotate every 250. Judt be careful on those cross-equator shots.
Use a can so your rig doesn't look so gehy in front of the guys.
Creedmoor one way and Moorcreed the other lol.

 

[GetReal]

@FrankG ...

Love my Bartleins. Havent shot any out yet.

 

[wright brothers]

This crew would love a most shot out barrel contest.
" Oh we scrapped all those".

 

[Kracken McGraw]

You will have to show me where, as I looked backed and can't find me referring to WE, in the general sense.

Yes, I did refer to us, in direct reference to those of Us that do not own a gas gun that would have to worry about mixing up loads. Quite a difference in context.

This discussion deteriorated days ago so I will excuse myself.

I was making a joke about you might have forgotten what you had had said yesterday. It really happens to us older guys.

 

[ebb]

Does a 222 give much of an advantage over a 223 in barrel life?

 

[Bottom Fodder]

To me a barrel is not shot out until it will no longer spin the bullet