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Oil damages barrel when forgot and shot?

C

cobaltbomb

Sergeant
Full Member
Minuteman
Nov 2, 2009
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austria europe
So i had this Howa, and i forgot to wipe it clean before shooting. what i usually did was apply a coat of oil for storage. and i believe after i shot it that time with oil in the barrel it didnt group as well afterwards.

has anyone experienced a damage to a barrel by forgotten oil residues?
has anyone actually seen barrel buldging or another form of damage from something like this?
 
Re: Oil damages barrel when forgot end shot?

I always coat with a couple sprays of oil on a boresnake after every cleaning. The first shot will burn most of the oil off. This does change my cold bore poi but i am consistent with this and so is my cold bore poi. No pressure issues even when i was shooting xm193 556 that were so hot they popped primers on me. (will not purchase again!)

A large amount of oil can provide resistance and increase pressure so if you are loading hot and have way too much oil i suppose that could happen. I do not like to load hot. This prolongs barrel and brass life. Generally i find accurracy greater at lower pressures anyway. That's why i sjipped 308 and went straight for 300 win.
 
Re: Oil damages barrel when forgot and shot?

Sounds like the boolits were slippin' right past the riflin'!
crazy.gif


... Kidding!
 
Re: Oil damages barrel when forgot and shot?

Liquids are not compressable and can damage the steel/bullet depending on the situation.
 
Re: Oil damages barrel when forgot and shot?

I have to admit, I did that to a .300 WM about 6 years ago.

Had Remington gun oil down the barrel and forgot to clean it well prior to shooting. First round hit about 7 inches high and right of zero on my cold bore....it was louder than normal too. I kinda spazzed a second and couldnt figure out WTF had just happened.

After that the group got tighter but wouldnt shoot better than about 2.5 MOA. It was a 3/4-1 MOA gun prior to that.

I cleaned it, tried different ammo....nothing worked. Sat down with my local smith and talked about possible causes and then I remembered what I had done. I had gone shooting with my brother about a month earlier. After cleaning it, when I put the gun away I didnt think I would be shooting it for sometime so I sprayed some oil down the barrel. For some reason I forgot to patch it prior to shooting and blew the barrel out according to my smith.

At least it was an older factory barrel and was about time for a change.....was an excuse to get a new barrel and a lesson well learned.

Now I at least run a bore snake through every barrel prior to shooting.
 
Re: Oil damages barrel when forgot and shot?

I purposely put oil in the barrel for the first shot. I've known good target shooters who would have oil dripping out of the bore while they were doing a break in process. You didn't hurt it.
 
Re: Oil damages barrel when forgot and shot?

Apply oil with a patch or a boresnake instead of spraying directly into the bore and you never have to worry about it damaging the gun. You only need a fine coat to protect the metal.
 
Re: Oil damages barrel when forgot and shot?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Dave Tooley</div><div class="ubbcode-body">I purposely put oil in the barrel for the first shot. I've known good target shooters who would have oil dripping out of the bore while they were doing a break in process. You didn't hurt it. </div></div>

Interesting. I have seen borescope footage of what looked like pits but they were from liquid in the bore when the rifle was fired. Functionally, the liquid being incompressable and snadwiched between the bullet and the barrel would leave an imprint on both the bullet and barrel depending on how much liquid was in the barrel and the relative hardness/exposure time of the bullet/barrel.

This was taught as being why you do not fire a rifle with oil in the barrel...
 
Re: Oil damages barrel when forgot and shot?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: lw8</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Dave Tooley</div><div class="ubbcode-body">I purposely put oil in the barrel for the first shot. I've known good target shooters who would have oil dripping out of the bore while they were doing a break in process. You didn't hurt it. </div></div>

Interesting...blah, blah, blah... snadwiched between the bullet ...blah, blah, blah.

</div></div>

I love snadwiches, especially with a side of ptotatoe slalad.
smile.gif
 
Re: Oil damages barrel when forgot and shot?

Re-dick-u less !
 
Re: Oil damages barrel when forgot and shot?

I get the fact that liquids cannot be compressed.
But the soft jacket of the bullet, and the lead behind it- sure can be- and is in fact designed to be as it cuts along the rifling, right?

So what does the alleged "damage" to the bore consist of?

While I could certainly see a damaged bullet and lousy accuracy, I can't see a steel barrel "swelling" or being otherwise damaged when the bullet traveling down the bore is so soft and malleable...

Clarifying, I'm not talking so much as to constitute a bore obstruction- just a film as the OP indicated...

OH- yeah, what about the HK 416's I've SEEN being pulled out of the water, and fired with water still dripping out of the bore?
 
Re: Oil damages barrel when forgot and shot?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Wannashootit</div><div class="ubbcode-body">I get the fact that liquids cannot be compressed.
But the soft jacket of the bullet, and the lead behind it- sure can be- and is in fact designed to be as it cuts along the rifling, right?

So what does the alleged "damage" to the bore consist of?

While I could certainly see a damaged bullet and lousy accuracy, I can't see a steel barrel "swelling" or being otherwise damaged when the bullet traveling down the bore is so soft and malleable...

Clarifying, I'm not talking so much as to constitute a bore obstruction- just a film as the OP indicated...

OH- yeah, what about the HK 416's I've SEEN being pulled out of the water, and fired with water still dripping out of the bore?</div></div>

I was thinking about this last night and it makes sound sense. One would think that the softer metal (copper and lead) would compress much faster than the hardened steel.
 
Re: Oil damages barrel when forgot and shot?

You store your rifle muzzle up? You think oil is going to stay in the barrel?
 
Re: Oil damages barrel when forgot and shot?

Excessive oil or any other liquid in a barrel can damage a barrel when fired..................... Believe what you will but it can and will....................... Lee
 
Re: Oil damages barrel when forgot and shot?

From Pac-nor barrels page:

After cleaning, nullify the solvents with rubbing alcohol and patch dry. Finish with Tetra Gun Oil, KG 4 or Holland's Bbl Break-in Fluid. <span style="font-weight: bold">Never shoot a dry bore as this will greatly promote copper fouling.</span>


BnC
 
Re: Oil damages barrel when forgot and shot?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: skeetlee</div><div class="ubbcode-body">Excessive oil or any other liquid in a barrel can damage a barrel when fired..................... Believe what you will but it can and will....................... Lee </div></div>

This is what I have been told my a few different Gunsmiths.
 
Re: Oil damages barrel when forgot and shot?

Damage in what context?

Not trying to beat a dead horse, but I'm sure you've seen the same vids I have of the HK 416 being lifted out of the water, quick drain and then clip dumps until the entire rifle is smoking.

Didn't seem to damage those barrels to the point where there was severe degradation to accuracy.
 
Re: Oil damages barrel when forgot and shot?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Wannashootit</div><div class="ubbcode-body">
Not trying to beat a dead horse but, clip dumps until the entire rifle is smoking.
</div></div>
Ye-ah buddy
 
Re: Oil damages barrel when forgot and shot?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: dwt</div><div class="ubbcode-body">Re-dick-u less ! </div></div>
Amen
 
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