Can you Taper crimp over a factory crimp?

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Southernsorrow

Southernsorrow

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I was given about 500 .40cal 180gr HST reloads "rmr sells pulled from time to time" the problem is my buddy factory crimped them with a lee die and my sig with barsto doesn't feed smoothly with anything lee factory crimped...

I always use a Taper crimp rcbs and it will then shoot/feed anything I throw at it. The ammo shoots fine and accurate just always feel a clunk when cycling the next round as if the case rim is catching, which I do not get when using my own reloads with the taper. It hasn't fully jammed yet but it tries to when cycling in a new.

Is there a way to lightly taper crimp them, since it basically is just knocking down the rim ?
 
Southernsorrow wrote:
Can you Taper crimp over a [Lee} factory crimp [die's crimp]?
Click to expand...

I would think you could, but as the saying goes, "the proof of the pudding is in the tasting."

Why don't you just run a dozen or so rounds through the RCBS dies and see if it makes any difference?
 
Cannibul said:
How did your "buddy" crimp them? Roll or taper?
Click to expand...
Southernsorrow said:
I was given about 500 .40cal 180gr HST reloads "rmr sells pulled from time to time" the problem is my buddy factory crimped them with a lee die and my sig with barsto doesn't feed smoothly with anything lee factory crimped...

I always use a Taper crimp rcbs and it will then shoot/feed anything I throw at it. The ammo shoots fine and accurate just always feel a clunk when cycling the next round as if the case rim is catching, which I do not get when using my own reloads with the taper. It hasn't fully jammed yet but it tries to when cycling in a new.

Is there a way to lightly taper crimp them, since it basically is just knocking down the rim ?
Click to expand...

Well if your "buddy" used a LFCD .............it is taper crimped??

If they do not jam or cause a problem then just shoot them. To say you barrel doen't like anything Lee "Factory" crimped makes no sense??

But yes you can run them through your crimp die if it is a crimp only die and not a seating die as you may mess them up.
 
Yep just back out the seating stem first though. I see no reason it would not work. But I would only try a few just in case it makes things worse. Just sayin.
 
The Lee FCD for 40 S&W is a taper crimp. But he may have taper crimped enough for his gun, but not your gun.

I know lots of guys make a big deal of the "post sizing" thing down on the case body, but at the case mouth it's a taper crimp.


Yes, it is perfectly acceptable to taper crimp to the case mouth dimension that works for your gun.
Like hd whit says, why not test a dozen. Resulting from your test, adjust your own die as necessary. Then finish up the rest.


HOWEVER...
Are you sure the rounds are safe? The ammo is perfect, nothing screwed up? Other people's reloads.
 
damnit I subscribed to the thread and got no messages about replies coming in. supposedly they are lee factory crimped, but they have a lip to the case rims and they keeps catching on the throat I think
 
guess I'll just run out a 14 rounds test batch, yes they are loaded fine, he uses my recipe my HS-6 and OAL recipe but the only difference is our crimping dies "well and die sets"
 
Rule3 said:
Well if your "buddy" used a LFCD .............it is taper crimped??

If they do not jam or cause a problem then just shoot them. To say you barrel doen't like anything Lee "Factory" crimped makes no sense??

But yes you can run them through your crimp die if it is a crimp only die and not a seating die as you may mess them up.
Click to expand...
It sounds like the "Lee Factory Crimp" die was either a "roll die" (not likely but possible) or it was not adjusted correctly or the problem is something else.
In most cases the "Lee Factory Crimp" die does an excellent job and is better than most.
I would look at the "sizing die" and make sure that the shells are sized the full length. For brass shot with a "service pistol" that has a loose chamber and then reloaded for a gun with a "match" barrel there are issues if the brass is not sized the full length.
In fact, there are sizing dies that are intentionally undersized for that exact problem.
 
Yeah most likely over crimped or somthing. I use lee fcd myself religiously on .223 and .308 semi auto loads with zero problems, and these rounds feed in my other sigs but the bar sto barreled 229 hangs up when feeding them.

But I ran all 500 through my rcbs taper crimp with the seater backed out and viola problem solved. I was just unsure if it was wise or safe to recrimp a bullet, was worried about deformation and whatnot.


Getting half dollar sized groups at 25 yards so thats about as good as I'm gonna get without pulling out sandbags or a rest
 
It is not the fault of the LFCD, it is most probably the "fault" of the user, not setting the die correctly:)
 
ants wrote:
Are you sure the rounds are safe? ... Other people's reloads.
Click to expand...

I always regarded other people's reloads as a form of Russian Roulette.
  • After all you get the rush as you start to squeeze the trigger not knowing if your hand is still going to be there a second later. ;)
  • And if you aren't injured or maimed, then you have to decide whether to do it all again with the next round. o_O
  • Since each round probably over-stressed the cylinder or the bolt, you have to factor in whether this is the round where your gun catastrophically fails. :evil:
  • Not to mention all the morphine they'll give you in the ambulance while they transport you to the trauma center. :D
 
hdwhit said:
I always regarded other people's reloads as a form of Russian Roulette.
  • After all you get the rush as you start to squeeze the trigger not knowing if your hand is still going to be there a second later. ;)
  • And if you aren't injured or maimed, then you have to decide whether to do it all again with the next round. o_O
  • Since each round probably over-stressed the cylinder or the bolt, you have to factor in whether this is the round where your gun catastrophically fails. :evil:
  • Not to mention all the morphine they'll give you in the ambulance while they transport you to the trauma center. :D
Click to expand...
While I agree it's not a good practice to shoot another's reloads you post it a bit melodramatic, no?
 
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