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-   -   Hammer Forged Barrels & Experiments with Rimfire Hammer Forged Barrels (https://www.rimfirecentral.com/forums/showthread.php?t=239572)

aom22 09-13-2008 08:17 PM

Hammer Forged Barrels & Experiments with Rimfire Hammer Forged Barrels
 
Original post: Hammer Forged Bull Barrel: Spiral Pattern

I been taking the time to read some of these articles.
They are very interesting and informative.
There are many misconceptions about forged barrels.
These articles help clarify the process.

Quote:

Quote:

Originally Posted by motohead (Post 1975614)
.... My barrel shows what I believe to be forging marks.
I've seen several carbon fiber material applications and none of them are as lumpy as what I'm looking at here.
The hammer forged barrels I've seen, that haven't been turned down after forging, look more like the pattern mine has.
It's a spiral pattern except for where it has been turned done for the front sight sleeve....

A carbon fiber warped barrel on an older rifle is highly unlikely.

Ruger Barrel
http://i84.photobucket.com/albums/k2...s/IMG_0275.jpg
Quote:

Hammer forged bull barrel;
the finish is a sparkling spiral milling.
This is an image I located of a hammer forged barrel
that has not been turned-down.

By the way, the spiral marks are not as a result of milling.
They are tooling marks from the hammering process.

Hammer Forging Barrel
http://i84.photobucket.com/albums/k2...erassembly.jpg

Reference:
"Hammer Forged Barrels" by Vern Briggs and James Higley
was published in the November, 2005 issue of Precision Shooting.

or
or
Hammer Forging Barrels


"Ural-6-2" ... Barrel and Front Sight
http://i84.photobucket.com/albums/k2...b52059be95.jpg

"Biathlon-7-3" ... Barrel, Front Sight & Barrel Weights
http://i84.photobucket.com/albums/k2...8637f9817b.jpg

Larsen Recruit Rifle ... Izhmash BI 7-3 Barrel & Front Sight
http://i84.photobucket.com/albums/k2...h/DSC00427.jpg

aom22 09-13-2008 08:32 PM

Hammer Forged Barrels: Vern Briggs and James Higley
 
Hammer Forged Barrels Reference Articles:

"Hammer Forged Barrels"
by Vern Briggs and James Higley
was published in the November, 2005 issue of Precision Shooting.

Quote:

The article provides background information on the process and then
looks at how Sturm, Ruger & Company manufactures barrels using this process.

"Experiments with Rimfire Hammer Forged Barrels"
by James Higley, George Griffith, and Vern Briggs
was published in the March, 2006 issue of Precision Shooting.
Quote:

The article discusses the test we ran using Ruger
Quote:

hammer forged barrels on .22 rimfire target rifles.
"Notes on Hammer Forged Barrels"
by James Higley and Vern Briggs
was published in the January, 2007 issue of Precision Shooting.
Quote:

The article discusses a number of topics related to
hammer forging including some history of the process.

"Experiments with Hammer Forged Barrels on AR-15s"
by James Higley and Vern Briggs
was published in the July, 2007 issue of Precision Shooting.
Quote:

The article discusses fitting and testing
hammer forged barrels chambered in .223 to an AR-15.

Vincent 09-13-2008 09:25 PM

Great stuff!! Thank you very much for posting this.

I am currently working with a Zastava that is hammer forged and reworked by nemohunter. I also have a Ruger barrel reworked by Skeeter. These barrels are able to produce stunning accuracy when chambered and crowned correctly.

CPC has proved this for years.

Hammer forging is like the other rifling forms in that if it is done correctly it can produce match grade accuracy. Done wrong or badly chambered it does not matter how a barrel is made. It will be junk.

Very interesting reading. Thanks again.


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