The kit is sold by Joe Woods of the Firelock Shop and you can reach him by email at "flintsteel at
[url] cox.net[/url]", substituting an ampersand for the "at" and removing any spaces. FYI - writing it in the way I did prevents email/spam robots from obtaining his email address.
FWIW, here's a brief write-up of the process with pictures.
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Well ... I tried it on my Mowrey Plains rifle in 50cal and it didn't hurt the accuracy one bit. Now, I am NOT in this for benchrest type accuracy, as I use this rifle for speed shooting in the primitive biathlons, even though she weighs a svelte 11 pounds. With Swiss 3F, I can get up to 5 shots off without wiping the bore between shots (ambient weather dependent, warmer weather - less shots).
Offhand, she'll keep all 5 shots in a ragged hole @ 25 yards and will do the same from the bench @ 50 yards ... my practice course is keeping all in a 6" bull offhand @ 50 yards. Provided I follow through ... she'll keep them all in the black with ease ... it's just the nut behind the trigger that I sometimes have issues with (that "nut" is me ... BTW !)
I just LOVE the ability to thumb the PRB into the barrel from the loading block while running the primitive biathlons or Seneca-type shoots! To follow is a small pictorial of the process using the kit as sold by Joe Woods of the Firelock Shop. Here’s what you need to get started. The tool and instructions from Joe, and then some crocus cloth/paper specific for metal cutting and thin carpet tape to hold it onto the tool.
Here’s the tool. It’s an impressive piece of quality machining from bearing quality bronze. Note - each tool is made unique to a caliber.
Here’s the tool as “wrapped” with the paper. You can see that I coded each piece as I cut it from the sheets ”¦ marking the TOP, as it is wider to match the wider taper of the tool, plus the GRIT of the paper. I made a bunch up ahead of time.
Here’s a close-up of the completed barrel. Ouch ”¦ look at the scratches from cutting patches at the muzzle. I did a re-blue job of the muzzle shortly after this photo appeared on my PC screen! I thought it was interesting that a “lead” on one side of each of the lands showed up, but at least they all were symmetrical.
FWIW, an interesting side story, it turns out that Joe has THE original Allen & Thurber rifle that Bill Mowrey used to model the Ethan Allen replicas from. The story itself is a hoot ... but is much better told when Joe tells it!
Final results ... for me ... I lost no accuracy at all. Tight groups!