seating primers?

[amlevin]

let me try to modify my hornady priming tool and ill get back to you all

When you remove that "dome" on the punch you'll need to readjust the ram. There's a set screw under the punch that's sealed with some loctite. Just put a couple drops of acetone on it or better yet, soak a q-tip in acetone and let it sit on the head of the set screw while you grind the punch down. I chucked mine in a drill press and just ran the end down on a sharpening stone a few times. When all but the smallest of edge radius was removed I then switched from the carborundum stone to an arkansas stone to give it a polish. That gave me a nice square and true end and surface.

One caution. The punch is larger than the primer pocket so you will need a radius AT THE EDGE only so the primer can be seated below the case head. If you run the punch into an empty primer pocket it wil get stuck. A Lee Depriming punch from their cheap manual set will remove it but leave a divot in the center of the punch you got stuck. I know someone who's had this happen 8) 8)

 

[22BRGUY]

Well I for one worked in aircraft maintenance for half my career, and then in quality control for the other half.

And none of the aircraft I work on ever crashed or got stuck in the sky and Boyd Allen's "aerospace standards" are even higher than my standard are.

So who gives a rats A$$ what you think.

97% of all aircraft crashes are caused by human error and only 3% are caused by actual mechanical failures.

So I guess you buy all your reloading equipment that is made to Chinese "aerospace standards".

Confucius say: Man who give stool samples in grocery store get A$$ in jam!

I heard that same Confusious proverb but it went "Man who make love in strawberry patch get ......" Wish someone would get all of these things consistant so ther wouldn't be "Confusion".........(LOL)

 

[Patch700]

I myself have never worked in an aircraft manufacturing plant.... But I did and still do stay at Holiday Inn Expresses , having said that since I've switched to the K&M priming tool with the indicator I have a new found enjoyment of the priming process.

 

[BoydAllen]

;D

 

[L-46]

what is the importance of seating primers,
say normally, or to a set distance below?
Jim

 

[BoydAllen]

Of course that would be a matter of personal opinion, but everyone that I know in the short range benchrest game seats primers by feel.

 

[stool]

lol....define your "normally"
the simple answer is UNIFORM IGNITION

any distance that is present between the bottom of the primer pocket and the base of the primer must be reduced by energy in the firing pin before the firing pin cause the primer to detonate.....
try this for an extreme example....
toss a primer in the air and hit it with a stick of wood...guess what no detonation....because there was nothing backing up the primer..it was free to move...
any time the primer is free to move..it will move and ignition will be less than desirable.

what is the importance of seating primers,
say normally, or to a set distance below?
Jim

 

[bigedp51]

This is the second time I have posted this information in this thread!

All the information in the world is written in books and all you have to do is read.
(this will avoid the sarcasm of the people who hit primers with wooden sticks but don't tell you the proper seating method)

"If you examine some new primers you'll see that the legs of the anvil stick out past the bottom of the cup. When the legs hit the bottom of the primer pocket you feel that first resistance. As you continue to apply pressure you bring the cup over the legs and then the second level of resistance begins as the center of the anvil begins to compress the pellet. Stop!"

Primers: Seating Pressure and Pre-Compression
by Germán A. Salazar

http://riflemansjournal.blogspot.com/2009/11/primers-seating-pressure-and-pre.html

Below seating primers with a slight primer crush (compressing the pellet) as described by Mr. Salazar.

Below is from our very own website written by Mr. Boyd Allen

21st Century Stainless Primer Seating Tool
http://www.accurateshooter.com/gear-reviews/21st-century-stainless-primer-seating-tool/

NOTICE: No primers were beaten with sticks and abused by their owners in the above posting.

The Society for the Prevention of Cruelty to Primers

 

[Old Navy]

This is the second time I have posted this information in this thread!

All the information in the world is written in books and all you have to do is read.
(this will avoid the sarcasm of the people who hit primers with wooden sticks but don't tell you the proper seating method)


"If you examine some new primers you'll see that the legs of the anvil stick out past the bottom of the cup. When the legs hit the bottom of the primer pocket you feel that first resistance. As you continue to apply pressure you bring the cup over the legs and then the second level of resistance begins as the center of the anvil begins to compress the pellet. Stop!"

Primers: Seating Pressure and Pre-Compression
by Germán A. Salazar

http://riflemansjournal.blogspot.com/2009/11/primers-seating-pressure-and-pre.html

Below seating primers with a slight primer crush (compressing the pellet) as described by Mr. Salazar.

Below is from our very own website written by Mr. Boyd Allen

21st Century Stainless Primer Seating Tool
http://www.accurateshooter.com/gear-reviews/21st-century-stainless-primer-seating-tool/

NOTICE: No primers were beaten with sticks and abused by their owners in the above posting.

The Society for the Prevention of Cruelty to Primers

Outstanding! The last sentence is priceless. Later! Frank