Comments

1. On July 9, 2020 at 10:39 pm, Jack said:

   Ref-Lube in the 2 carrier gas ports leading to the Bolt Gas Rings.
   i was taught this by my trainer over 5yrs ago.

   It is a TEMPORARY solution, to a sluggish bolt(not carrier)
   (I) see/view the Bolt and Carrier relationship just as the pistons in your car.
   I bet you keep those lubed!!

   In my case, i was running a short supressed 556 DGIS AR on a 2000rd training course, being run Very Aggresively…ie, no rest for the wicked!
   yeah, my carrier rails were lubed.
   I carry a very small bottle of (Slip EWL) i can do this with.
   You can do this on the move, if need be. Ask me how i know.

   As for me, this has proven itself, reliable as a TEMPORARY workable solution.
   This (trick) has NEVER failed or hurt me, IME..
   I shall continue.

   As for the oil Turning to Carbon…
   no clue what he is talking about.
   Haven’t seen it, In mine or my kidz AR’s. (Maybe it’s true if run as a Normal Lube Procedure and after thousands and thousands and thousands of rds WITHOUT proper clean and lube.

   I’m a cert’d armorer by 3 very well known manufacturers, one is a well known “Precision” hi-dollar Type AR Manufacturer.

   2 of of the manufacturers did talk about this (though… not “Officially”) as a Temp Solution to this sort of Problem.

   Well, thats my 2cent and my experience.

2. On July 10, 2020 at 7:49 am, ragman said:

   Good video. I also use Slip or MGL from Sprinco. The first I do to a new BCG is replace the extractor spring with the 5 coil spring and plastic insert from Sprinco. Top end BCGs from outfits like Bravo Company ship their products with this spring installed.

3. On July 10, 2020 at 8:48 am, Longbow said:

   Run ’em wet. Especially in dirtier environs. Be generous with your lube.

   Do soldier maintenance on your equipment every day in the field. Take care of your equipment and it will take care of you.

4. On July 10, 2020 at 9:03 am, Thomas Madere said:

   There is an old mechanic’s
   saying “any oil is better than no oil’.

5. On July 10, 2020 at 10:40 am, Paul Paskey said:

   Carbines, like women, run better wet.

6. On July 10, 2020 at 8:25 pm, George said:

   I notice they did not remove the bolt from the BCG. I lube the bolt front to rear and the lugs. Gas coming into the BCG will build up carbon inside the chamber the bolt rides in. This needs to be cleaned out periodically or the bolt will become almost immovable. Like the man said, run ’em wet.

7. On July 12, 2020 at 7:32 am, Brad S. said:

   These gentlemen lost me when calling the compression chamber of the carrier a “combustion” chamber, multiple times. Sorry, guys, no combustion occurs there. The AR, does, however, need a semblance of sealing between the gas rings and the inner circumference of the carrier. This is also the dirtiest area of the AR, as carbon-laced gas from propellant combustion (which occurs in the chamber, BTW) moves thru the barrel, gas port, gas tube and gas key (losing pressure as it travels this system. I have taught for a decade or more, that filling the scallop on the side of the carrier with CLP, and letting it drain down into the compression chamber, is a valid and useful “in extremis” lube technique, when you do not have time and space available to shotgun the AR, and pull the BCG. Used it often, in operations throughout the world. Not sure what unit the younger gentlemen was in, but running a heavily oiled BCG in the high desert will cause premature wear and raises the potential for short-stroking and timing issues in Stoner’s design if you allow a lot of particulates (sand) to get into the upper receiver. Learned this one the hard way… Train to close the dust cover at every lull. In the sandbox, we lubed the bolt, gas key and rails ONLY. So, a drop of oil in the gas key, and in the vent holes of the combustion chamber will disperse CLP where it needs to go within the BCG chamber, at around 19,000 psi (pressure at the gas key using M855). Brain-dead simple.

8. On July 12, 2020 at 7:36 am, Brad S. said:

   Forgot to mention, the Bolt Cam Pin is another arear that should be oiled, when the BCG is pulled. A little on the head of the cam pin, and if not pulling the bolt from the carrier, a few drops in the cam pin slot. Some folks (as gentlemen above noted) lube the locking lugs. I was taught (and teach to this day) excess oil in the receiver extension and locking lugs can be affected by hydrostatic lockup, causing timing issues. Anyone have thoughts on this?

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