25/264 Winchester Magnum Ackley Improved
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Chambering for Ackley Cartridge (booklet)
This booklet is the first of many planned works that provide instruction in the correct and safe methods of gunsmithing. Specifically, this essay discusses Ackley Improved cartridges. In it, we will not teach you how to install and chamber a barrel, we handle that information in another title, “Chambering Rifle Barrels for Accuracy”. In this book we will in detail help you to understand the special details related to chambering for Ackley Improved designs, specifically we explain headspace for Ackley designs.
If you are not familiar with how headspace applies to firearms and ammunition you may want to consider another title we offer, “Understanding Headspace for Firearms”.
Fred Zeglin along with other well-known Gunsmiths has begun the task of creating a series of instructional manuals. Each book will focus on one narrow subject in Gunsmithing. Written with an audience in mind who want to know every detail of the how and why of gunsmithing.
Each book in the series will provide a highly detailed and Technical explanation of the subject at hand in a way that any gun lover will be able to understand, whether professional or hobbyist.
44 pages, soft bound. Printed in the U.S.A.
“The material and information inside will last you a lifetime. This is a PRACTICAL handbook.” Gary Howes, GunsAndGunsmiths.comAdd to cart
Micrometer Reamer Stop$30.00
Precision, repeat-ability, and ease of use: these are the benefits of P. O. Ackley Micrometer Reamer Stop. Now you can do production runs with your Chamber Reamer, without having to index each workpiece axially. You’ll be assured of consistent headspace, chamber after chamber!
To set up, insert your Chamber Reamer shank in the Reamer Holder and tighten the two set screws. Then insert the reamer holder into the Stop Cylinder assembly (micrometer threaded Stop Cylinder with .001″ Adjustment Nut, Lock Nut and optional Plug Nut). Make a rough cut in the chamber (leave about .025″ extra material). Now, with the reamer bottomed in the rough chamber, move the Stop Cylinder assembly into contact with the work piece and secure it to the Reamer Holder with three set screws.
You can now adjust the depth of the finish cut in increments of .001″, or even less. The Adjustment Nut is marked with 25 equidistant markings around the circumference, each of which corresponds to .001″ of axial adjustment. By backing off the Adjustment Nut and re-securing the Lock Nut, then repeating the cut, you can zero in on your specified headspace measurement. Adjustments of .0005″ can be made with confidence.
We recommend use with our floating reamer holders for best results, with this rental.
.437″ straight shank for use in all Lathes and Mills.Add to cart
257 Weatherby Magnum$0.00 Add to cart
P.O. Ackley, America’s Gunsmith
“P.O. Ackley, America’s Gunsmith is so extensive and so well done,
I am at a loss to adequately describe it!” Dennis ‘Mike’ Bellm, Bellm TC’s
Book, Hard cover, 256 pages.
Parker Otto Ackley left a wealth of firearms knowledge among those he trained. The eminent gunsmith, ballistician, barrel maker, teacher and writer perhaps had more influence on modern shooting and firearms than any other single man. And now his life and works have been painstakingly detailed in P.O. Ackley: America’s Gunsmith.
Writer and gunsmith Fred Zeglin gives a never-before-seen look at the humble man whose research thrust the firearms industry forward. From improving rifle chambers for use with modern powders to developing superior barrels to designing red-hot cartridges, readers will walk away with a new appreciation for Ackley’s exploration and ideas. And his concepts on reloading, rifle accuracy, safety, cartridge choice, and wildcat use are just as relevant for today’s “gun cranks” as they were in Ackley’s heyday.
Zeglin also delivers the most complete collection of accurate dimensions, loading data and history for the lifetime of cartridges created by P.O. Ackley, the most influential gunsmith in American history. Most shooters today know him because of his “Ackley Improved” cartridge designs. But those cartridges are only the tip of the iceberg. P.O. Ackley: America’s Gunsmith is the whole story.
Bonus: Full-color photo section and an exclusive never-before-printed article by P.O. Ackley.
How this book will raise your firearms IQ:
Wildcat and standard cartridge history
Accurate technical information
Colorful Ackley quotes and entertaining Ackleyisms
Descriptions and reloading data for Ackley Improved cartridges
Now Shipping! Autographed copies.
“Any gunsmithing student, reloader, shooter will find him or herself fascinated
by this work. No library is complete without it.” Gary Yee, author of
“Sharpshooters 1750-1900” & “Sharpshooters, Marksmen Through the Ages”
About the Author
Fred Zeglin has been building custom hunting rifles for nearly thirty-five years. Zeglin has taught classes for the NRA Short Term Gunsmithing program at three separate colleges and is the Coordinator/Instructor for the Firearms Technology program at FVCC in Kalispell, MT. He has published two other books, Hawk Cartridges Manual and Wildcat Cartridges, Reloader’s Handbook of Wildcat Cartridge Design.
Fred is maintaining a web site about P.O. Ackley, this allows him to keep updating as more details come to light. https://ackleyimproved.com
Fred has signed all the books we are shipping.
Add this picture to your order for ONLY 99 cents, use Promo Code: Ackley
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