Stoning Ramp Overhangs
Dremel makes some small diameter stones for shapening chain saw blades.
These do not have any taper and are about 1-inch long. I do not use them in the dremel electric grinder as they can easily remove too much material "off-center."
So I use them like a file mounted in a little handle with a little honing oil on the stones.
Being careful this way by hand, you can better control removing just enough metal to give you a smooth transition by following the master angle already present in the barrel extension.
I then take a felt bob to a belt sander and twill it against the belt until its a nice tight small diameter taper that fits the feed ramp well. Then I enbed this with Smicrhome Polish (see Brownells) and use this with the Dremel to polish.
ColdBlue sends...
(CB is David A. Lutz, Lt. Col. USMC (Ret'd) (1968-1991)
Former (now retired) VP MilOps @ Knight's Armament Company (KAC) (1994-2012)
"...if you can read this, thank a Teacher,
if you are reading this in English, thank a Veteran..."
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