Pilot Diameter Chart
Copyright 2019, Fred Zeglin, reprinted by permission of the author.
These Charts come from Fred’s book, “Gunsmith Tools, Cutters, & Gauges – A Primer“.
There is so much more in the book, check it out!
Similar Posts
Why Are There NO Good Gunsmiths Around Here?
Diplock’s Syndrome For those of you who have not read Fred Zeglin’s book on Wildcat Cartridges, here is a little excerpt you might find amusing. “Diplock’s Syndrome,” a syndrome contracted by gunsmiths. The cause is close contact with clients or customers who lack patience, and often what we used to call common courtesy. Custom guns are hand…
More Tools, More Service…
Updating this post from 2017: We now have over 2100 reamers and are still adding more tools all the time. Thanks for your continued business! ********************************* As of October 2017 4D Reamer Rentals LTD now has over 1100 reamers to serve your gunsmith rental needs. It’s pretty exciting how much this company has grown over the…
MEASURING FOR SCREW-IN CHOKES (Shotgun)
Before accepting a barrel for machining to accept screw-in chokes, you must measure the outside diameter (O.D.) to determine if there will be sufficient wall thickness after machining. “Mike” the O.D. of the barrel and the O.D. of the tap for the particular gauge. Subtract the O.D. of the tap from that of the barrel,…
Fred talks about P.O. Ackley
One of the cool things about writing a book is that during the research for the book you learn a lot about people. I was able to interview a number of interesting and well known folks in the gun world while researching P.O. Ackley, America’s Gunsmith. If you would like a little more behind the scene…
