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Gunsmithing Barrel shortening question.

BenY 2013

Gunny Sergeant
Full Member
Minuteman
Jan 23, 2012
1,296
16
29
SW Arkansas
I have a Marlin XT-22, I love the gun but I don't like the 22" barrel. I would like to shorten it to around 18". My question is what is the best way to do this? I saw a recent thread where a hacksaw was used. I do have access to a lathe and someone who can run it better than I. Also is 18" a good length for a .22 barrel? Thanks in advance.
 
Re: Barrel shortening question.

Think of it this way. The US Army fires 224 dia, 62gr bullet over 3000 ft per second through a 14.5 inch barrel with a 1:7 twist, at targets to and beyond 300 meters. But it does depend on your twist rate. Imho, I think you will be ok with 18". If your not sure check the provided link from shilen barrels look at 224 dia. Hope this helps

Good luck

http://www.shilen.com/calibersAndTwists.html
 
Re: Barrel shortening question.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: BenY 2013</div><div class="ubbcode-body">I saw a recent thread where a hacksaw was used..</div></div>

lol... NO!!!!!

<div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body"> I do have access to a lathe and someone who can run it better than I. Also is 18" a good length for a .22 barrel? Thanks in advance.</div></div>

good... make sure you dont have a burr at the end of the rifleing when done...

18 is fine, under 800y.... you will lose about 200fps off your 22" going to 18"
 
Re: Barrel shortening question.

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

18 is fine, under 800y.... you will lose about 200fps off your 22" going to 18"
</div></div>

Um no, He's talking about a 22 long rifle. Standard velocity ammo burns all of it's powder with in 14"-15". You will see no velocity loss going to 18" from 22".

Perhaps you were thinking centerfire?
 
Re: Barrel shortening question.

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

18 is fine, under 800y.... you will lose about 200fps off your 22" going to 18"
</div></div>

Um no, He's talking about a 22 long rifle. Standard velocity ammo burns all of it's powder with in 14"-15". You will see no velocity loss going to 18" from 22".

Perhaps you were thinking centerfire?</div></div>

doh
smile.gif
... thought 223... it still will lose some, but not anything that will hurt a 22lr...
 
Re: Barrel shortening question.

Yes lol it is a 22 long rifle, I have emailed my friend with the lathe and hope we can get it finished quickly! I guess the big deal is to make sure there are no burrs in the rifling and a clean crown? Correct? Thanks guys!
 
Re: Barrel shortening question.

Hacksaw will work, but you'd need to make sure the cut is squared off when you're done. Then you need to put on a crown (a little harder to do by hand). Matter of fact, I read about students at a precision long range class using a sawzall and a hand crowning tool to shorten their barrels.
 
Re: Barrel shortening question.

A sawzall, wow thats scary! I think I might do the initial shortening with hacksaw then face it and crown it with the lathe.
 
Re: Barrel shortening question.

think lathe is the best way to do it. hacksaw and lapping compound i suppose would work but that seems so...crude.

take the barrel to 16 inches. anything without 'hyper' in the name has burned all the powder anyways.
 
Re: Barrel shortening question.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: BenY 2013</div><div class="ubbcode-body">A sawzall, wow thats scary! I think I might do the initial shortening with hacksaw then face it and crown it with the lathe. </div></div>

http://www.sniperschool.com/barrel-length-revisited

<div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">"Cutting included measuring 2 sides of the barrel to align duct tape. Then a steady hand on the sawzall followed the straight edge. The crowning tool is off to the left of the pic on the table. It was a hand held and hand cranked unit…”</div></div>

18inchbarrelcut.jpg