The Firing Line Forums

Go Back   The Firing Line Forums > The Skunkworks > The Harley Nolden Memorial Institute for Firearms Research

Reply
 
Thread Tools
Old July 6, 2005, 02:54 PM   #1
Dre_sa
Senior Member
 
Join Date: April 19, 2005
Location: Left coast
Posts: 587
markings on my 1911

i own a remington rand 1911a1 made in 1943.
on the chamber, there is a '7 tons' stamped into the steel.
what is the significance of this and what does it mean?
Dre_sa is offline  
Old July 6, 2005, 03:33 PM   #2
Jim Watson
Senior Member
 
Join Date: October 25, 2001
Location: Alabama
Posts: 10,920
Means that at one time or another it went through a British proof house and was tested there. They report pressure in long tons (2240 lbs) per square inch. (Actually, Gough Thomas compared pressure readings by US and British methods and says it converts closer if you take the ton as 2800 pounds; due to differences in design of pressure test equipment.)

May have been a surplus sale, back when a free Englishman might own a pistol. If it had been for military issue, it would have been marked "Not English make."
Jim Watson is offline  
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 06:26 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
This site and contents, including all posts, Copyright © 1998-2014 S.W.A.T. Magazine
Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: thefiringline.com
Contact Us
Page generated in 0.07062 seconds with 7 queries