bullet set back in semi auto handguns
Posted 16 November 2012 - 06:05 PM
Posted 16 November 2012 - 07:50 PM
Lee Bottle Neck Pistol Factory Crimp Die - Lee Precision
Posted 16 November 2012 - 11:17 PM
Handmade Calls by Braz
"Suppose you were an idiot. And suppose you were a member of Congress.. But I repeat myself."--Mark Twain
Posted 17 November 2012 - 05:36 AM
Posted 17 November 2012 - 06:57 AM
Posted 17 November 2012 - 07:25 AM
Posted 17 November 2012 - 07:42 AM
The easiest way for me to tell is to strip down your gun then when seating "whatever" bullet I'll drop the loaded case into the chamber till it drops in without interference. You can tell. Seat the bullet a little deeper like .010" at a time. Try a few and you'll definitely know when there is not interference. Then I'll measure and write it down for next time.
I wouldn't crimp that round.
Posted 20 November 2012 - 06:34 AM
Posted 20 November 2012 - 07:02 PM
Posted 20 November 2012 - 07:21 PM
Posted 20 November 2012 - 07:28 PM
I have seen the lee die and i think i have shot some stuff that has had that type of crimp on it.
Posted 20 November 2012 - 07:36 PM
Posted 20 November 2012 - 07:54 PM
Posted 20 November 2012 - 08:13 PM
I bought the LFCD for my dad who is not known for his finesse at reloading . Best thing I ever did for the .30-30. And best of all, your bullet does not need a crimp groove or cannelure on it to use this die. I still prefer roll crimps on my straight walled wheel gun cases, taper crimps on my straight walled autos, and if we needed a crimp on the bottlenecked .223 cases (ours is a bolt, so we don't) I would buy the LFCD in a half a heart beat. I do not own a bottleneck pistol round, but would not hesitate to use it if I had one or had issues. It sets up as simply as it works too. If you have it worked out now then no need obviously to get it, but if you notice it slipping again do it and forget about any more worries. I would do this long before I changed bullets that worked or that I liked for sure. Hope you get it worked out either way.
Posted 21 November 2012 - 06:06 AM
Posted 21 November 2012 - 06:32 AM
i think it headspaces off the shoulder. By my measurements in the glock barrel ,the case mouth shoulder is .040 further than the max case length. i double checked this with a piece of brass that was long (out of spec) ,and still couldnt contact the case mouth shoulder. here is a go/no gauge, and note that the gauge doesnt make reference to the mouth. correct me if i am wrong?
Posted 21 November 2012 - 07:34 AM
i think it headspaces off the shoulder.
Yep...I'm the one who originally told you that.
It does headspace off the shoulder...eventually. But it was designed to headspace off the mouth. If you are a reloader who understands how to set up their dies properly using a headspace gauge, the mouth is irrelevant and you could even trim them a bit short and crimp them if you'd like. Lee actually makes a .357 Sig crimp die for them as Bisley pointed out. It's usually not a good idea to crimp a straight walled case that headspace off the mouth (45 acp, 9mm etc). You can crimp them, and Lee makes crimp dies for them, but too much crimp can cause a problem vs crimping a round that doesn't utilize that surface for headspace.
When a company is mass producing loads to sell to the public they have no idea to where these particular guns are headspaced to the shoulder at...so they usually set them back aways (as you found out measuring your factory loads) so they will headspace off the mouth.
Here is a good article on the .357 Sig.
Posted 21 November 2012 - 10:00 AM
Posted 21 November 2012 - 05:47 PM
Sierra, hornady and speer all have it wrong on headspace
You know, it's funny about this cartridge, they don't necessarily have it wrong. For people who shoot factory loads only - it headspaces off the mouth. For reloaders though, it can headspace off either.
Posted 21 November 2012 - 07:37 PM
If the mouth touch's first and has a crimp it might cause a problem.
That is the beauty of the design of this die, it crimps in four seperate sections clearly seperated by a segment of mouth that is not cromped (ie. normal diameter and still capable of being headspaced fom). Lee really did their homework with this one.
Posted 01 December 2012 - 02:54 PM
Many brands of 45 ACP dies come with a crimp die. If you use the correct crimp die for a semi-auto, it will only help and not hurt.
0 user(s) are reading this topic
0 members, 0 guests, 0 anonymous users