Gun Cleaning and Barrel Break-In System
A non-embedding abrasive compound that works kind of like
hand lapping, but it’s much easier and totally safe for
your bore. The abrasive is a rare earth substance (garnet) that
is softer than steel but harder than copper. Here’s how
it works... You wrap a cotton patch around a bronze bore brush
that’s one size smaller than your bore. Saturate the
patch with USP Cleaning oil and run it through your bore to
pre-moisten the barrel fouling. Then, wrap a fresh patch around
the brush and apply USP Bore Paste to it. This patch is run
back and forth through the barrel 10-12 times. Finally, run
through a clean patch with the USP cleaning oil and follow that
with a dry patch to finish up. Use USP Oil or Clenzoil for storage. We recommend bore
paste for new barrel
break-in cleaning procedures as well. We have the USP Bore
Paste available as a kit including a 2 oz tube of bore paste
and 1 oz bottle of cleaning oil. We also have bronze bore brushes in all sizes.
ORDER 009-USP Bore Paste/Oil Kit $10.99
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