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Barrel Length for a 6.5 Creedmor??

brianlangeliers

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Minuteman
Feb 26, 2008
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Chandler, AZ
So I am thinking about putting together short bolt gun. I like the 6.5 CM. I already have a .308. The intent of this rifle would be to have a light, easy to swing, low recoil, rifle used for tactical bolt gun comps. I only need to stretch out to 800 yards. So how short can I still go? I would like my barrel to be 18 inches... is this feasable?
 
Re: Barrel Length for a 6.5 Creedmor??

Lowlight built an 18" .260 Rem that went out to 1000 yards if I remember correctly. The 6.5 Creedmoor is basically a ballistic twin so I believe you would be good with the 18" barrel. I am looking at having an 18" barrel built in .260 Rem or 6.5 Creedmoor also.

If you search, you will info on Lowlight's gun.

Darin
 
Re: Barrel Length for a 6.5 Creedmor??

Ive been contemplating something similar, but Ive been leaning towards a 20" tube. It seems like most of the factory guns use a longer tube to get closer to adverised velocity.
 
Re: Barrel Length for a 6.5 Creedmor??

It will work but I wouldn't go any shorter than 20". The 6.5 CM factory ammo was designed for a 28" barrel and most match guns are 24"-26". Personally I would run a 24" but I currently run a 26" 260 rem and love it. Just remember every inch adds free velocity.
 
Re: Barrel Length for a 6.5 Creedmor??

I wouldn't go shorter than 24, that way you could set the barrel back at least once.
I have a 24 in 260 rem and hits at 1250 are easy and plentyfull
you'll like the 6.5 creedmoor
 
Re: Barrel Length for a 6.5 Creedmor??

I'm pretty sure someone has an 18.5" creed in the 'shorty' thread. My dad's creed is 26" and does 2830 with the factory 140gr hornady ammo. Me personally, 22" is the shortest I'd go.
 
Re: Barrel Length for a 6.5 Creedmor??

Mine is 28" and like others it shoots very well. If something doesn't come out right, I look at myself, because the gun shoots great. If your going that short does an auto work for you? It would give you more flexibility.
 
Re: Barrel Length for a 6.5 Creedmor??

The load I shoot in my 21" is a 140 A-max at 2730, which is about what the factory ammo does. I do not feel handicapped at all at 1000 yards.
-Dan
 
Re: Barrel Length for a 6.5 Creedmor??

The max barrel length I am willing to go is 20".. I am more apt to change the caliber to meet the barrel requirement. The point of the short barrel is to have a light weight, easy to swing, mini stick....
 
Re: Barrel Length for a 6.5 Creedmor??

You might want to take a look at the 7-08 or of course the 308. My 7-08 does just under 2800 with the 162 bthp with a 24" barrel. I bet you could keep it around 2675 to 2700 with a 20" with a warmer load. Only downside of the 7 over the 6.5's to me is the increase in recoil. You give up nothing in ballistics though.
 
Re: Barrel Length for a 6.5 Creedmor??

Im currently running a 26" on my CM match rifle. Im planning on doing a light 6.5CM for a hunter with a 19.5 so it finishes 20" with break. A high end barrel instead of factory may help your velocities a little bit. But Im not sure you can bank on that.

I personally wouldnt go much shorter, but to each their own. Ive never really been interested in loading the close to max pressure rounds needed to run a super short barrel long range. I like to be able to buy some CM off a shelf and roll if I need to.
 
Re: Barrel Length for a 6.5 Creedmor??

personally, i wouldnt waste my money or time on a short barreled creed. you are defeating the whole purpose of the cartridge. the creed performs the best with a normal length barrel. it isnt as nueter friendly as .308

just my personal experience and .02
 
Re: Barrel Length for a 6.5 Creedmor??

24.5" barrel and Im hitting 2930 with 140gr Berger Hybrids and VLD's
 
Re: Barrel Length for a 6.5 Creedmor??

I hunt with a 20 model 7. I like it a lot. Remington first made and 18 inch barrel for there model 7's but later chaged to 20. You might want to investigate the reasoning behind that.

Personnally I think that if you go shorter than 20 the danger factor goes up. The shorter the barrel it is inharently more difficult to keep it pointed in a safe direction like a handgun.
 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Swampbuck</div><div class="ubbcode-body">I hunt with a 20 model 7. I like it a lot. Remington first made and 18 inch barrel for there model 7's but later chaged to 20. You might want to investigate the reasoning behind that.

Personnally I think that if you go shorter than 20 the danger factor goes up. The shorter the barrel it is inharently more difficult to keep it pointed in a safe direction like a handgun. </div></div>

muzzle discipline should play no part in your length of barrel choice. danger is danger no matter the length.
 
Re: Barrel Length for a 6.5 Creedmor??

Muzzle discipline is paramount. I'm just saying it is a lot easier to sweep your feet with 18" vs. 26". Same goes for a pistol.
 
Re: Barrel Length for a 6.5 Creedmor??

So what caliber would best be suited for the short barrel. Lots of people are missing the point... the point is to have a short barrel so its easy to swing and light.
 
Re: Barrel Length for a 6.5 Creedmor??

22" on my 6.5 Creed and not the least bit disappointed. Quick handling and competent for anything past 800 yards. Don't believe I would go any shorter, but it's a good compromise for the cartridge in my experiance
 
Re: Barrel Length for a 6.5 Creedmor??

260 or 6.5CM will work great see lowlights post "short is smart". In any caliber you will give up velocity as you cut the barrel. It all depends on your goals. If you want a compact rifle those calibers will work great.
 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: tigerfan9</div><div class="ubbcode-body">260 or 6.5CM will work great see lowlights post "short is smart". </div></div>

Then go look at all the match rifles shooting and winning tactical comps.
 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Killswitch engage</div><div class="ubbcode-body">personally, i wouldnt waste my money or time on a short barreled creed. you are defeating the whole purpose of the cartridge. the creed performs the best with a normal length barrel. it isnt as nueter friendly as .308

just my personal experience and .02 </div></div>

20" 308 will do <2650 with a .510 BC bullet.
20" 6.5 will do >2700 with a .585 BC bullet.

Advantage: 6.5
 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Rob01</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: tigerfan9</div><div class="ubbcode-body">260 or 6.5CM will work great see lowlights post "short is smart". </div></div>

Then go look at all the match rifles shooting and winning tactical comps. </div></div>

The OP didn't ask for a tac match rifle see below......I was answering HIS question.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: b2!!!</div><div class="ubbcode-body">So what caliber would best be suited for the short barrel. Lots of people are missing the point... the point is to have a short barrel so its easy to swing and light. </div></div>
 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: b2!!!</div><div class="ubbcode-body">So I am thinking about putting together short bolt gun. I like the 6.5 CM. I already have a .308. <span style="font-weight: bold">The intent of this rifle would be to have a light, easy to swing, low recoil, rifle used for tactical bolt gun comps. </span>I only need to stretch out to 800 yards. So how short can I still go? I would like my barrel to be 18 inches... is this feasable?</div></div>

Yes he did. Read the original post.
 
Re: Barrel Length for a 6.5 Creedmor??

Seeing how he stressed LIGHT and SHORT more then once I would take that his priority is that and not peak velocity.
 
Re: Barrel Length for a 6.5 Creedmor??

I was just trying to give him the big picture so that he goes into it with both eyes open and doesn't spend money on something and end up kicking himself in the ass in the end. You can always cut a barrel down if you find it too long but you can't glue on another few inches if you find you went too short.

These rifles are not supposed to be stubby room clearers. They are long range precision rifles. Getting a good BC bullet to a good velocity helps the shooter and that's why the top shooters use the longer 24-28" barrels. If he wanted it lighter then going with a lighter contour like a Med Palma would be a good option but I wouldn't go any shorter than 24" in a match rifle no matter what caliber.

Seems like the top match shooters have no problem swinging around the longer barrels. That was my point. If you are going into a sport it would be wise to look at what the top shooters are using because they are using it for a reason. Don't handicap yourself right out of the gate.

My Creedmoor was a 28" MTU and it was easily handled. It's now about 26.5" after being set back. People make way too much about a few inches when it comes to handling. Look at a ruler and look at what 6" really is. Not that much difference in overall length but will be a help in sending the bullet out faster and not having to live near the top of the pressure curve.
 
Re: Barrel Length for a 6.5 Creedmor??

I agree I was just answering what he asked and figured since he said he had a 308 and has been a member here for 4 years that he already had a good idea what was what and what he wanted.

I went through this same thing a couple months ago and went 26" in a 260 for the reasons you mention. I initially was thinking 22" for a dual purpose hunting/tac but went 26" to be sure I had the velocity numbers I wanted. I'll lift some weights to deal with the extra weight while hunting ;-)

We are on the same page.....I just took his time here and already having a 308 that he wasn't a total noob to this.
 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Rob01</div><div class="ubbcode-body">I was just trying to give him the big picture so that he goes into it with both eyes open and doesn't spend money on something and end up kicking himself in the ass in the end. You can always cut a barrel down if you find it too long but you can't glue on another few inches if you find you went too short.

These rifles are not supposed to be stubby room clearers. They are long range precision rifles. Getting a good BC bullet to a good velocity helps the shooter and that's why the top shooters use the longer 24-28" barrels. If he wanted it lighter then going with a lighter contour like a Med Palma would be a good option but I wouldn't go any shorter than 24" in a match rifle no matter what caliber.

Seems like the top match shooters have no problem swinging around the longer barrels. That was my point. If you are going into a sport it would be wise to look at what the top shooters are using because they are using it for a reason. Don't handicap yourself right out of the gate.

My Creedmoor was a 28" MTU and it was easily handled. It's now about 26.5" after being set back. People make way too much about a few inches when it comes to handling. Look at a ruler and look at what 6" really is. Not that much difference in overall length but will be a help in sending the bullet out faster and not having to live near the top of the pressure curve. </div></div>


Respectfully disagree. While 6" in and of itself isn't much, 6" on top of 20" IS, at least in my opinion. To me, a 24" barrel on a typical bolt-action rifle is max, before it really gets unhandy. A 24" rifle fits in packs, your car, through doirways fine, meanwhile a 26" rifle doesn't.

Speaking of packs... If you use an Eberlestock, and carry the rifle muzzle-down, even 2" makes a BIG difference in how your pack feels. A 20" rifle rides nice and low, keeping the packsm's CG low and steady. 24" ain't bad. 26" is really pushing it. My 26" + little bastard 284 rides way too high, it's terrible.

OP: I think you should go ahead and do it. Even if you only get 2650fps (doubtful it'll be that slow), you'll be well ahead of a 24" 308, as you'll match the velocity but have a substantially better BC. If it were me, I'd go 20" and see how it does. If it's running 2750+, go ahead and chop it to 18".

Depending on your recoil preferences, consider a 7-08, 7-08AI ir even 7 Creedmoor, as they are less overbore than 6.5CM and 260, and suffer less from shorter barrels.

I'm with you on handy rifles! 1000 yards is about max in most comps I've been to. A 20" 6.5 or 7mm will easily do that.
 
Re: Barrel Length for a 6.5 Creedmor??

I will have to disagree also. My 28" barrel fit fine in packs, cars, through doorways so a 26" will be fine.

What about those guys with those cool 18" barrels and 8" cans on them? What's that add up to? Hmmm.

I don't even know why I get in these stupid conversations. Your money, your choice. Get whatever the hell you want. You have to live with it.
 
Re: Barrel Length for a 6.5 Creedmor??

Rob let em, if they hate it, George or another gunsmith gets another 600 dollar barrel job out of it.
 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Rob01</div><div class="ubbcode-body">I will have to disagree also. My 28" barrel fit fine in packs, cars, through doorways so a 26" will be fine.

What about those guys with those cool 18" barrels and 8" cans on them? What's that add up to? Hmmm.

I don't even know why I get in these stupid conversations. Your money, your choice. Get whatever the hell you want. You have to live with it. </div></div>

Different strokes for different folks of course.

I wasn't suggesting a 28" rifle WON'T fit in a pack or car, or make it through a doorway - that would be stupid. I was however saying, there is something to the "handy" rifle... ...and while you may think a 28" barrel is plenty handy, there are obviously many other folks that dont. Clearly, the OP is one of those people. Luckily, we have a smorgasbord of quality smiths available to make our dreams come true, whatever they may be.
 
Re: Barrel Length for a 6.5 Creedmor??

His he forcing the 6.5CM into something its not. I would think a lot of time and effort went into it's development. In cutting it down and loosing that much in the FPS, going to change the overall accuracy.

With only needing something accurate to 800yds, the 308 does that well and for a lot less cost then 6.5CM. And after all the costs, he might not end up with whats. I just picked up mine a couple of weeks ago and its performance is better then what I had anticipated. But it has the long barrel that the cartridge was designed for.
 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: majohnson</div><div class="ubbcode-body">His he forcing the 6.5CM into something its not. I would think a lot of time and effort went into it's development. In cutting it down and loosing that much in the FPS, going to change the overall accuracy.

With only needing something accurate to 800yds, the 308 does that well and for a lot less cost then 6.5CM. And after all the costs, he might not end up with whats. I just picked up mine a couple of weeks ago and its performance is better then what I had anticipated. But it has the long barrel that the cartridge was designed for.

</div></div>


I would contend that velocity is the only thing on the chopping block here, not "overall accuracy".

It will still outperform 308 - it will have equal-to or greater velocity, plus higher BC bullets, with less recoil, in a more compact package.

I see this argument here on the 'hide a lot; that you're somehow committing sacrilege if you do anything to "de-optimize" a cartridge... Be it a short action 284, or a short(ish) barrel 6.5CM, people seem to trash you if you trade off peak ballistic performance for gains in any other aera...
 
Re: Barrel Length for a 6.5 Creedmor??

I still stick with: if your load your own, and your not afraid to load hot and sacrifice some barrel life? sure, you can run an 18" and probably be perfectly happy.

Like being able to buy ammo off the shelf and not be stuck with loading for good velocity? .run it a little longer.

Creedmoor is a great round. will a factory 140CM reach 800yd out of a 18" barrel? I would be very, very surprised if it didnt.

Will it be super mega awesomely efficient and push the projo to its limits? No, but your not really looking for that, it will go to 800. People push this round out to 1200 and beyond, I have a hard time convincing myself its going to fall out of the sky at 750 if you cut a few inches off the barrel.

I know people are genuinely trying to help you, but I feel it may be being a little over nit-picked.

 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: nly205</div><div class="ubbcode-body">

I have a hard time convincing myself its going to fall out of the sky at 750 if you cut a few inches off the barrel.

</div></div>

Where did I say it would? A 45-70 will make a 1000 yards with an arch like a rainbow. Does it make it a good efficient match round when going against shooters sending 140s out at 2900fps? The OP wanted a match rifle that was handy and light. There are some ways to do that with lighter contour barrels and not give up ballistics.

If building a match rifle you want as good of ballistics as possible. It's a give and take. You want to turn a long range precision rifle into a stubby room clearer then you give up ballistics. Usually when you try and turn something into two things that are on opposite sides of the spectrum you end up with something that doesn't do either very well. You all want to run stubby match rifles then that's fine but the OP should get the whole picture to make the right choice for him.

If we just chimed in and said everyone was right with their decisions here and not give them the whole picture and something to think about then it wouldn't be a very good site now would it? And seeing as I have been shooting the Creedmoor since it's inception and tactical matches for about a decade I figured I could give him a little insight to help his decision. The final decision is his though.
 
Re: Barrel Length for a 6.5 Creedmor??

I understand that an 18" barrel will not maximize the potential of the 6.5 CM... that is not my goal. If I want to shoot a target super far away I will use my 338... and I already have a .308 with a 24 inch barrel... now I am looking to build a LIGHT WEIGHT, EASY TO SWING gun I can use in comps. This is intended so I can run, shoot off hand, and manuever the rifle alot easier than all you guys running around with your 28" BBL rifles that weigh 20 pounds. SO thank you to all the people who read the post and addressed it accordingly. I have my questions answered.
 
Re: Barrel Length for a 6.5 Creedmor??

Barrel length isn't a big factor on accuracy just affects velocity which in the big scheme of things isn't that big a deal. If you already have a long range gun then I'd prob get a heavy fluted 18" - 20" and go for it. A couple more clicks here and there isn't a big deal. Short, stiff and very easy to swing. The 6.5cm isn't all that different than our 260s and we shoot our LR pistols to 1000 yards with a 15" barrel and have no accuracy problems shooting against the longer barreled rifles.

Topstrap

 
Re: Barrel Length for a 6.5 Creedmor??

To answer the ops original question
YES it will work, is it ideal ... well that depends on many things

If you have plans to run a CAN then a short barrel is a must

Reloading will afford you the ability to realise the true potential of a short barrel
My 20" x47 runs 123 skinnies @ 3023fps and shoots MOA or better all day long, load will stay supersonic out to 1400yds and does not trash brass.

New powders allow short barrels to make pert much same fps as longer barrels, thou application is very specific
A longer barrel will afford a wider powder selection, however if you do your research and dont mind be tied to a single powder then performance similar to mine is very doable for a knowledgeable reloader.

I ran a 28" match type rig until I figured out I could get similar performance from a 20" and run a CAN to boot
That was 3-4yrs ago and only wish i had done it sooner, the velocity gains of the new powders is very real with more than acceptable accuracy.

Rob01
I think Hornady has it own powder with similar qualities
Superformance or summit like that
If you have not tried it, do so post haste i,m sure like me if you can obtain equal performance from a shorter barrel you will switch also.

Given the option everything else being equal, I will always take the shorter barrel ... who wouldn't
 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Special Delivery</div><div class="ubbcode-body"> The 6.5 CM factory ammo was designed for a 28" barrel </div></div>

I hear that said a lot..
What does that even mean?

I own a 23" barreled 6.5creed and shoot factory 140s. Fuckin LOVE it out to 1200 yards.
Im a fan of shorter barrels in short action calibers.


I doubt anyone ever got beat in a match because their barrel was too short
smile.gif

But I bet a few long barrels have gotten in the way.
 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Rob01</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: nly205</div><div class="ubbcode-body">

I have a hard time convincing myself its going to fall out of the sky at 750 if you cut a few inches off the barrel.

</div></div>

Where did I say it would? .</div></div>

That statement was in no way shape or form directed at you. Besides, when you remove the one sentence from the context of the post, it changes its intent. my only true match rifle being a 26" creedmoor, I'mdefinitely not against.you on the matter.

That being said, there are lots of guys that are very happy with their shorty .260s out in the world and while its not exactly efficient for the round, it does exactly what they want it to do. That's all I'm saying.
 
Re: Barrel Length for a 6.5 Creedmor??

My 23" Rock is pushin factory 140s at 2820fps according 6 rounds through a chrono.
And thats just factory ammo. Could go hotter.


Seems like a great short barreled round to me.

 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: b2!!!</div><div class="ubbcode-body">I understand that an 18" barrel will not maximize the potential of the 6.5 CM... that is not my goal. If I want to shoot a target super far away I will use my 338... and I already have a .308 with a 24 inch barrel... now I am looking to build a LIGHT WEIGHT, EASY TO SWING gun I can use in comps. This is intended so I can run, shoot off hand, and manuever the rifle alot easier than all you guys running around with your 28" BBL rifles that weigh 20 pounds. SO thank you to all the people who read the post and addressed it accordingly. I have my questions answered.</div></div>

Good luck in those comps. I am sure you will show all the guys with those longer barrels the errors of their winning ways and show them how it's done. Sorry I wasted your time with my limited knowledge.
 
Re: Barrel Length for a 6.5 Creedmor??

There's no point in choosing the advantage of a 6.5 for comps, then cutting the barrel off to negate that advantage. Besides, how in a competition does one get more points by having a lighter weight, handier rifle?
 
Re: Barrel Length for a 6.5 Creedmor??

Graham, I don't see how shortening the barrel on any 6.5 caliber for these types of comps is defeating the purpose for doing it. If you shorten any other caliber you are getting the same loss of velocity and the 6.5 is still far and away the best choice in a gun built for these types of competitions where you may walk a trail a few miles long. For the distances he's going to be shooting I still feel any of the 6.5 calibers are the best choice even though they are called "gamer guns" by some due to their accuracy and ability to need less wind adjustment at given distances.

We help RO a couple of Tactical matches each year down here at Rayners Range in Ohio with targets out to 1000 yards. It's on two sides of a huge farm where you walk a trail and there are different stages set up with various shooting positions, shots fired which most have a time limit and some stages the time is also part of your score. A lot of stages are designed to get you out of your comfort zone and require you to adapt to the conditions for the shots. There is movement involved in some stages which might include using trees, shooting thru or under stumps, in buildings or around them and other obstacles to shoot around thru, under or over.

I've seen shooters using up to 30" heavy barreled guns with suppressors and some using very short guns. The long barrels do get in the way with some shooters and can get tangled up with things located at that stage. We also hear the complaints at the end of the match about how heavy the gun and all your items you need for the day can get when you have to hump everything with you.

Topstrap
 
Re: Barrel Length for a 6.5 Creedmor??

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Topstrap</div><div class="ubbcode-body">If you shorten any other caliber you are getting the same loss of velocity</div></div>I don't think so. The .308 is still the best one to shorten. Besides, the 6.5 Creedmoor is anemic at long range even in long barrels. <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Topstrap</div><div class="ubbcode-body">and the 6.5 is still far and away the best choice in a gun built for these types of competitions where you may walk a trail a few miles long. </div></div>If you're only walking a few miles weight doesn't matter.<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Topstrap</div><div class="ubbcode-body">For the distances he's going to be shooting I still feel any of the 6.5 calibers are the best choice even though they are called "gamer guns" by some due to their accuracy and ability to need less wind adjustment at given distances.</div></div>Agreed that there's nothing wrong with 6.5 as a caliber. But accuracy is not about the caliber, like a match is not about the gun.<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Topstrap</div><div class="ubbcode-body">I've seen shooters using up to 30" heavy barreled guns with suppressors and some using very short guns. The long barrels do get in the way with some shooters and can get tangled up with things located at that stage.</div></div>Do those shooters lose points because of barrel length?
 
Re: Barrel Length for a 6.5 Creedmor??

If you want the velocity if a longer 26" barrel and the length of an 18" rifle look at the DTA SRS. A 26" barreled SRS will handle like an 18" standard bolt gun. Plus you can readily swap calibers and barrels.
 
Re: Barrel Length for a 6.5 Creedmor??

The 6.5 Creedmoor will be even more anemic in a semi auto.
 
Re: Barrel Length for a 6.5 Creedmor??

Buy the barrel long and chop it in whatever increments you're working in till you get to the weight / handiness your looking for then crown & thread the barrel.