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Thread: Oil in the chamber area?

  1. #11
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    spdldr

    Oil in the chamber is usually a good thing in a self-loading weapon. The cartridge case is a piston in a cylinder (the chamber) and is much more easily extracted if it is lubricated. Lubricating the ammunition is one of the first things to do if it starts to run poorly in a desperate situation and you cannot clean it.

    Theoretically, oil on the case can penetrate the joints between the primer and the case or the bullet and the case and contaminate the primer or powder. If you are going to shoot this ammo immediately that is of no concern. A thin film of grease on the case can stay there a longer time with no danger of contaminating the propellant. So if you are concerned about a failure to extract malfunction with your defensive weapon, lightly grease or wax the cases. Contrary to conventional wisdom, this is OK to do. Really!

    Dave

    Boonie Packer
    Last edited by spdldr; 10-24-10 at 21:40. Reason: forgot to sign

  2. #12
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    Carbine-if it's a duty weapon, the chamber/bore should be dry, light coat on the bcg, key points, bolt face not being one of them. If a round is chambered all of the time(doubtful), I'm sure and hope that you are training with it and inspecting the condition of your ammunition on a frequent basis and after 3-5 chamberings or if that round has been in there a while-discard it if unsafe or shoot it and replace it.

    Pistol-bore/chamber clean and dry--and after cleaning/metal conditioning-there is no reason to have oil on the breechface, chamber, bore , etc. Especially the firing pin channel. Same thing applies to the chambered round, have spares and replace it or at the very least-take a sharpie and number them or mark the multiple chambered one(s) so they are loaded on the bottom of the spare mag(s).
    GET IN YOUR BUBBLE!

  3. #13
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    Quote Originally Posted by JSantoro View Post
    If runoff of oil in a weapon that spends more time stored than it does being shot, use grease in stead of oil. It stays in place instead of running off.
    I agree as well on the LIGHTLY greased bolt and carrier for AR's that are stored vertically for an extended time or until the next range session, and then you would add a good oil before using.

    Oil does flow over time, either into the chamber/barrel then to the floor or into the receiver extension and then onto your butt stock... So rather than that natural flow of gravity, I just use a good grease (Militec, etc...).

    The LIGHT grease is fine for any self-defense need that may arise that your pistol could not handle. The oil you add at the range will thin out the grease and it will be like melted butter... smooth...

    If you don't like the grease option, then use less oil...

    Rmpl
    "Our destruction... will be from another quarter. From the inattention of the people to the concerns of their government, from their carelessness and negligence..."
    ...Daniel Webster, June 1, 1837

  4. #14
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    I use grease on carry weapons-never been a problem and they function without applying lube before firing.
    GET IN YOUR BUBBLE!

  5. #15
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    Quote Originally Posted by az doug View Post
    What condition do you keep the chamber, loaded or unloaded.
    I keep it in condition 3. Magazine loaded, empty chamber, safety on.

    As far as using grease, I did try a very light coat of RiG grease a couple of weeks ago. But during a function check with some Azoom snap caps pulling the CH felt extremely sluggish. I cleaned and relubed with CLP and the CH/BCG moved with absolute ease. So I'm not too comfortable using grease.

    I appreciate all the replies and suggestions. I believe maybe I was over thinking this situation a bit, being I am using the correct amount of lube as the AR15/M4 manual states. The chamber and the bore have been staying dry. I was more less concerned with the oil I see gathering outside the chamber. Right where the bolt face meets and locks up. Not alot of oil mind you, but a visible amount. Again, over thinking it I believe.

    Thanks again.....

    The Guinea
    Proud Father of a United States Marine!

  6. #16
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    Any lubricant on the bolt and chamber lugs will be gone after the first couple of rounds. What does not burn is blown out during that 50,000psi explosion when the round fires because the bolt face/chamber mating is not air tight. As for lube making its way between the barrel extension and the barrel or the barrel extension and the upper receiver I don't think that could be a bad thing since at some point you'll probably end up disassembling the upper anyway for some modification or upgrade and any lubricant that makes its way into those tight crevices will aid in breaking things apart.

  7. #17
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    I have been known to literally pour oil in to my BCG area and have yet to have a an issue other than a little smoke come out.



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  8. #18
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    Guinea,

    Don't think RIG is the best choice, as its main purpose is rust prevention, not lube, plus its pretty thick IIRC.
    Lots of options, but believe RIG is best for long term storage and needs to be removed prior to firing, as you found out.

    Mark
    Last edited by mpom; 10-25-10 at 11:43. Reason: removed icon

  9. #19
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    could always try using a gun grease i use it in my mp 15 i had the problem of the oil running off of the bcg etc when stored in my safe
    DEATH SMILES AT US ALL, ALL WE CAN DO IS SMILE BACK

  10. #20
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    Quote Originally Posted by Iraqgunz View Post
    I have been known to literally pour oil in to my BCG area and have yet to have a an issue other than a little smoke come out.
    A little smoke?

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