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Headspace Gauge Info Link

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Zeliard
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Headspace Gauge Info Link

#1 Post by Zeliard » Sun Jul 30, 2017 12:01 pm

Originally posted by Gutkowski & Jeremy2171.

http://hybrid.ualr.edu/satu/headspace.html

Jeremy2171

Good article and great pictures. Very informative except for the last sentence in the next to last paragraph..

" The actual picture shows contact using the .308 field gauge in this Israeli 7.62 conversion barrel."

He's using the wrong gage..... :roll:

A .308 FIELD in a 7.62 chamber is "close" to a 7.62 NO GO.
Proud alumni of Transylvanian Polygnostic University. "Know enough to be afraid."

"Vertroue in God en die Mauser".-Faith in God and the Mauser.

"Send lawyers, guns and money." -Warren Zevon

72 usmc
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Re: Headspace Gauge Info Link

#2 Post by 72 usmc » Fri Dec 14, 2018 11:51 am

To old to fight and to old to run, a Jar head will just shoot and be done with you.

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Re: Headspace Gauge Info Link

#3 Post by 72 usmc » Fri Dec 14, 2018 4:48 pm

M1 CMP headspace information http://thecmp.org/training-tech/armorer ... headspace/

SAAMI Forster headspace gauges, not the same as a Mil spec gauges:
https://www.youtube.com/watch?v=VvI97DVQS70

CRUFFLER.COM
presents
Firearms Technical Trivia, October 1999:
http://www.cruffler.com/trivia-October99.html


Fulton armory, What is Headspace? by Walt Kuleck
https://www.fulton-armory.com/faqs/AR-F ... dspace.htm


Milsurps library, Headspace 101 for .303's by Badger
https://www.milsurps.com/content.php?r= ... for-.303-s



Headspace: Why It's Important & How To Check It
By The Brownells Editorial Staff
https://www.sinclairintl.com/guntech/he ... ?lid=17125
To old to fight and to old to run, a Jar head will just shoot and be done with you.

72 usmc
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Re: Headspace Gauge Info Link

#4 Post by 72 usmc » Mon Jul 29, 2019 10:39 pm

Here is a very nice informative link by Badger on Milsurps for an AGI Gunsmith video about headspace by Bob Dunlap. Click on the purple box for Part 1 and or part 2. These are good. :dance:

https://www.milsurps.com/showthread.php?t=48034
To old to fight and to old to run, a Jar head will just shoot and be done with you.

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Re: Headspace Gauge Info Link

#5 Post by slowbob2 » Tue Jul 30, 2019 8:43 am

Your Brownell's article is interesting as who ever wrote it does not understand headspace . They state " bad headspace causes the case to swell in diameter at the base . That has nothing to do with headspace , just chamber dia or very high pressure . All rifles except tight chamber benchrest rifles have extra headspace . Headspace is the most over blow problem In the gun world . Unless a rifle is damaged it means very little , either it is so long it will not set off the primer or it is too short to let the bolt close . Between us a friend and I have over 5000 old military rifles and none of them had enough " headspace " problem to worry about . You can shoot a whole box of 308 through a 30/06 rifle with nothing happening but strange cases coming out .

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