Thought this looked kinda cool...

[frykasj]

http://bulletin.accurateshooter.com/2011/12/whack-dasher-cases-into-shape-with-hornady-hydro-form-die/

Three or Four Whacks Produces a 95%-Formed Case
With a Hornady hydro-forming die, water pressure does the job of blowing out the shoulders of your improved case. The process is relatively simple. Place a spent primer in the bottom of a new piece of brass. Fill the case with water, and then slip it into a special Hornady shell-holder with no hole in the middle. Then you run the case up into the forming die. Now comes the fun part. You gently insert a plunger (hydraulic ram) from the top, and give it three or four stiff whacks with a mallet (or better yet, a dead-blow hammer). Remove the plunger and you have a 95% formed case, ready to load.

Now if they make one for turning .30-06 into 9.3x62's I'll be laughing!

 

[zuke]

Not as much fun tho!

 

[Boomer686]

Cool item.. for those that may need one.

Regards,

 

[rya]

reason for it?

crushed cases?

 

[ultimate_monkey]

reason for it?

crushed cases?

an AI (ackly improved) case has a much steeper shoulder then a standare case, they require fire froming from the parent case, this require loading and fireing of the case, this tool lets you form the AI case with out having to fire form

example, .338LM(parent case) vs .338improved .338 LAI

 

[CyaN1de]

Roberti11 has a video on youtube using a hydroform die for making his 7mm Stair.

He uses a pulley and a sheet of steel to push the plunger in one shot rather than hammering repeatedly on it.

 

[Jarlath]

You would need to clean the dies every time to stopped using them if you used water. Can you imagine the rust and oxidization on the top of the die/throat and plunger if left uncleaned... Ick...

 

[NavyShooter]

Bucket of oil....dip....done.

 

[rya]

an AI (ackly improved) case has a much steeper shoulder then a standare case, they require fire froming from the parent case, this require loading and fireing of the case, this tool lets you form the AI case with out having to fire form

so you wouldnt use it on a .308?

more for fire formed cases and stuff that isnt manufactured?

 

[ultimate_monkey]

so you wouldnt use it on a .308?

more for fire formed cases and stuff that isnt manufactured?

Correct this die is for forming one cartridge from another, ( I'm sure different dies are offered) but is not for fixing crushed cases