Leave thin coat of oil in barrel or not?

J

JRiggs

New member
I was reading my P228 manual, and it says to leave a thin coating of oil inside the barrel. It then says to remove this before firing. What harm will it do if one does not? I always run a lightly oiled patch through my barrels, and have never wiped it out before firing. Should I start? Thanks.
 
Unless you really sop it in, I don't think you need to wipe the barrel dry.

I'd say that's just advice in case someone really does pump the oil in. In that case, it could raise pressures dangerously.
 
I leave a thin coat in mine. It will prevent rust. If it did anything bad at all, it may make your first round a little inaccurate.
 
Wipe it off before you fire.

Aside from possible inaccuracies & higher pressures, the oil may be forced into microscopic cracks present in most barrels. I don't know what the long term effects are, but they can't be good.
 
Oil the barrel.
Wipe it out with a clean dry patch on a properly-fitted jag.
There.
You're good to go, if you're carrying the pistol for CCW or duty use.

There's enough oil left on metal surfaces using this approach to temporarily inhibit rust. If you live in a very humid climate, do the above drill daily. If you live in a dry climate, once a week may suffice. (This is assuming the gun isn't fired in the meantime, of course.)
DON'T leave a visible, thick film of oil on inside of the barrel. At best, you'll degrade accuracy, at least for the first shot. At worst, you may have excessive chamber pressures develop.

Of course, if your gun isn't carried, and the barrel can be wiped out prior to use at the range, you can leave as much oil in it as you please! Best.
 
I always run a patch through my barrels after oiling them to help dry up some of the excess oil, but I do leave enough to keep any potential rust from forming. Too much oil in the barrel will not only raise pressures but it will also attract dirt and dust.

Good Shooting
RED
 
JRiggs,

LEAVE A THIN COAT OF OIL IN YOUR BARREL!

a) It protects your barrel from oxidation
b) it will not hurt anything
c) Your First shot will exit the barrel at a significantly higher velocity (POWER!)

The reason some think the first shot from a clean/lubricated barrel is not accurate is because it will shoot higher at 100+ yards due to the higher velocity.

Ordinarily you do not need to clean your arms between shooting a few rounds but first shot from a clean/oiled barrel will give you a power advantage! I have measured this in every arm I own.

Regards,
George
In sunny Arizona
 
I always pass a tightly fitting patch dampened (but not dripping) with a good protectant (e.g., CLP or Eezox) down the barrel. Typically I will follow that by a dry patch in the chamber, or in each chamber of a revolver's cylinder.
 
Many glock owners keep their barrels completely dry. We are cocky about rust and insist it won't happen. (I know a glock owner who cleans his glock with soap and water, but I won't go that far.) If you keep a gun loaded for self defense, and there is oil in the barrel, it could end up in the firing chamber where it could contaminate the primer and cause a misfire.
 
glockdoc,

I use Simple Green, an old tooth brush and scalding hot water to clean the frame/internals of my Glocks. I use MPro7, then a scalding hot water rinse on the slide/internals/barrell, then compressed air to blow out the internals of the slide before doing an external wipedown with CLP. The only real reason I use CLP on the outside of the slide is the fact that it makes it look better (deeper black).

I also barely dampen a patch with CLP or Butch's Gun Oil and run it through the tube, then run a single dry patch through to pick up any excess.

Soap (Simple Green) and water works great on Glocks. :D

R6
 
to each his own, but

I always leave a thin coat of Break Free CLP on the internal's of my autoloader's; including
inside the barrel. Also, I use this product
on my revolver's, as well.

Best Wishes,
Ala Dan, N.R.A. Life Member
 
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