Just took a new unused Springfield Armory mil-spec barrel to the garage.
I placed it in my vice.
Chucked up the plastic rod, inserted it in the barrel from the muzzle and applied downward pressure.
I ran it in the same spot for two minutes at high speed.
No visible wear to the finish. All pressure on the crown and rifling.
Did not wear even the finish there.
Chucked the nylon bore brush directly into the drill.
Ran it for two minutes in the muzzle.
High speed never moving it from the first inch of the muzzle, the barrel became warm to the touch.
Never even wore the finish.
The SA finish on the barrel I experimented on can't touch the Sig and Glock finish for durability in my opinion.
I have my answer . Thanks to all who contributed,made me cautious, and think.
I am not recommending this method to anyone. Not trying to change the world.
Your miliage may vary.
Respectfully.
Cheers,
Jim
Last edited by Jim567; March 22, 2014 at 09:15 AM.
|