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!
Learn About Pilot Fit, It Matters!
Pilot Diameter is Crucial
After Market Pistol Barrels
In 2018 a new condition became obvious to us here at 4D Reamer Rentals LTD. In the past we saw certain reamers receive damage because of aftermarket cylinders out of Russia or China.Ā They were hardened by the maker to the point that only Carbide tooling could be used on them successfully.Ā We had clients…
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,…
Gunsmithing Student Handbook Series
Fred ZeglinĀ released two titles in his new series of instructional books for anyone who wants to understand how guns work.Ā Tailored to students of gunsmithing, whether you are a hobbyist or a professional Zeglin bring over 3 decades of gunsmithing and teaching to the table.Ā These books are clear and concise detailing specific subjects. Lee…
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 aboutĀ people. Ā 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…