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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,…
Article from the Fall 2020, “The Black Powder Cartridge News”
Our customer, Cody Smith wrote about his experience working with Forcing Cone tools in his revolver. It’s probably faster to download the file than waiting for it to load in the browser. [gview file=”https://4drentals.com/wp-content/uploads/2020/09/BPC_Fall_20lr.pdf”]
4th Book in the “Gunsmithing Student Handbook Series” is Now in Print!
Being in the gun business for almost 40 years now I have become acutely aware if the lack of basics being taught in schools. In particular in Occupational Trades institutions. Before you send me a nasty gram defending your favorite school keep in mind I teach at one of these colleges and have friends at…
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…
Forster Products, Reloading Fall Bash
In early September 2022 Forster Products staff and owners put on an event for Distributors of their products along with other industry contacts. The facility for the event was “The Site, Firearms Training Center” in Mount Carrol, IL. Lead Instructors: Jim Kauber & Lara Spanic were great to work with and kept us all focused…
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…

