.17 hmr....help

W

wyoman

Member
I bought a Taurus .17 hmr 8 shot revolver and took it out to shoot it. It shot pretty decent groups but I noticed that the cases come out without a shoulder. Are all revolvers cut this way to keep the cases from backing out? S & W had problems with the .22 jet and the cases backing out. I wanted to see if any of you had .17 hmr revolvers and if your chambers were also cut this way.

cases005.jpg
 
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Oops...I guess I was fixing your picture while you were too. Sorry I can't help otherwise. /ubbthreads/images/graemlins/smiliesmack.gif
 
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Are those case necks staying in the cylinder, or going down the barrel with the bullet?

If so, the bullet is going down the barrel way outside the specs. /ubbthreads/images/graemlins/smiliesmack.gif (And creating some dangerous pressure spikes.)

If it's just cutting the necks off & leaving them in the cylinder, then it shouldn't be doing that either.

I've not shot those revolvers, but, I'd expect the cases to come out as I had loaded them... /ubbthreads/images/graemlins/confused1.gif
 
is it possiable that the cylander is cut straight without a shoulder and what we are seeing is just a blownout case; you know somewhat like fireforming. it looks like you can see where the shoulder had been. how about some dimensions on fired cases compared from unfired cases.
 
Oh, I see now... /ubbthreads/images/graemlins/smiliesmack.gif

I think you are right, frshwtr! The neck is just bulged, not seperated.

I guess they can do that design with a rimfire, but I'd be curious as to why they design the cylinder that way. /ubbthreads/images/graemlins/confused1.gif
 
I'm not familiar with the 17 HMR, but something doesn't look right. I'd send those pix and your question to Taurus and ask them what they think. They have a good warrentee program.
 
To me , those look like 17 HMR cases that have been shot in a 22 mag chamber . I would contact Taurus and see what they say . Something is wrong there for sure . I would bet that Taurus will make it right for you free of charge , they have a super warranty .
 
Something wrong there for sure. If it was mine I would not shoot it until I got some answers. I have a S&W 17HMR and my cases come out shaped correctly.
 
Nothing wrong with the gun or ammo.. When you shoot ammo such as the 17 HMR in a short barrel the pressure is'nt high enough to fully form the brass like it does in a rifle.. My Rem. 596 has a shorter barrel than my Ruger clone and does the samething from time to time.. No big deal...
 
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To me , those look like 17 HMR cases that have been shot in a 22 mag chamber . I would contact Taurus and see what they say . Something is wrong there for sure . I would bet that Taurus will make it right for you free of charge , they have a super warranty .




+1

Looks like you have a 22mag cylnder or chamber.

Ricky
 
Thanks guys, I will send some pictures to Taurus and see what they say. The cases are intact (not being blown off)....they are being fire formed in the cylinder. By shining a flash light into the cylinder I can see that it goes into a taper cut (no shoulder). When I first pulled out the cases after shooting a cylinder full I thought...wow..they cut the chamber with the wrong reamer (a .22 mag reamer) then I got to thinking...maybe this was the way they were cutting hmr revolver cylinders. This revolver is new so it must have slipped past the inspection part.
 
Can you go look at another Taurus .17 cylinder? I mean, send the pictures to Taurus and all, but while you are waiting for a response, go check out a similar Taurus at the gun shop.
 
It is likely that the chambers were cut this way on purpose, to prevent the cylinder from locking up like the S&W .22 Jets did.

Revolvers don't like bottle necks and sharp shoulders. The cases jam the cylinder and you can't shoot it and you can't open it.

With the HMR, if the shoulder and neck disappear when fired, it's no problem, cuz you can't reload it, so who cares what the empties look like.

Let us know what Taurus says...


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Nothing wrong with the gun or ammo.. When you shoot ammo such as the 17 HMR in a short barrel the pressure is'nt high enough to fully form the brass like it does in a rifle.. My Rem. 596 has a shorter barrel than my Ruger clone and does the samething from time to time.. No big deal...



I also have a 597 with a short bull, and the necks do bulge a bit but nothing like that. Something is wrong. I would agree that it is a .22mag chamber.
 
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The cases jam the cylinder and you can't shoot it and you can't open it.



How does this happen Cat ?
Would they jam between the shoulder and the back of the cylinder/frame ?

Maybe it was made with a 22Mag cylinder....on purpose ? /ubbthreads/images/graemlins/confused1.gif /ubbthreads/images/graemlins/confused1.gif

PC
 


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