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The pre-setup kits are usually a 1 box per rifle setup. Perhaps NECO sells the lapping compounds in bulk to do several rifles. The kits I use are 5 or 6 grades of lapping compound ( course to fine )
with 10 projectiles per each degree of courseness. They include 10 extra's of the 2 finest grades to re do the procedure at a later date.
One thing on "bullet lapping", there must be decent rifling left in the barrel for it too do any improvement.
with 10 projectiles per each degree of courseness. They include 10 extra's of the 2 finest grades to re do the procedure at a later date.
One thing on "bullet lapping", there must be decent rifling left in the barrel for it too do any improvement.