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Firearm Maintenance Series: Marlin 336 Lever Action Cleaning, Part 2/4


Continuing with the Brownells Marlin Lever
Action maintenance series, with the gun fully disassembled, next up is cleaning. We’ll begin by cleaning the barrel. With the
bolt removed we are free to clean from the rear with the appropriate rod, brush, and
patches. If you prefer to use a bore guide to aid cleaning, we have one available from
Burt’s Bore Guides that fits most Marlin lever guns. Simply insert it into the rear of the
receiver and clean as usual. Start by running a solvent-soaked patch down
the bore to loosen up any fouling. We’ll be using Hoppes #9, but most any cleaning solvent
will do the job. Let the solvent sit in the bore for a few minutes… then run a bore
brush through the barrel to loosen things up. Be sure to make 10-25 complete passes,
and follow it up with a clean dry patch to sweep the gunk out. Repeat this three step
process until the dry patch comes out clean. The bolt and receiver can be cleaned with
a nylon brush and a soft cloth. You can also blow out the inside of the receiver with compressed
air to remove any debris that may be tucked away in the corners. You should also remove
the buttstock and check for dirt or corrosion every couple of hunting seasons or so. However,
if the gun is so dirty that it needs to be completely disassembled, we recommend you
take it to a gunsmith and have it professionally cleaned. Once you have the gun clean on the inside,
take a minute and wipe down the exterior with a cloth and a little solvent to remove any
dirt or grime that comes from normal use. At this point, the gun is ready for lubrication,
and we’ll be covering that in Part 3.

2 thoughts on “Firearm Maintenance Series: Marlin 336 Lever Action Cleaning, Part 2/4

  1. I have a marlin 336. which bore guide should I use. tell me everything I need for cleaning please. I went to your website and was unsure

  2. I get to Part 2 of the series and the butt stock has magically fallen off. That's never happened when I've cleaned mine.

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