Gosh Darn it Again

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pearcetopher

CGN Regular
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Hello all,

after getting tired of my bullets jamming into battery I decided to buy a 356 sizer for my 9mm

Ofcourse like an idiot i did not lube the first boolit going in and ofcourse it got stuck

I had to put all 200 lbs of my body weight on it to get it to move

the boolits move through much easier now

did i open up the die??
 
what do the bullets coming out of the size measure at?

i've sized .358 bullets down to .329 so your die is fine and you need to start eating more wheaties.
 
pearcetopher said:
Hello all,

after getting tired of my bullets jamming into battery I decided to buy a 356 sizer for my 9mm

Ofcourse like an idiot i did not lube the first boolit going in and ofcourse it got stuck

I had to put all 200 lbs of my body weight on it to get it to move

the boolits move through much easier now

did i open up the die??
Click to expand...

LOL, if you weighed 2000 lbs and pushed a solid steel bullet through the sizing die you could hurt it. But a scrawny 200 lbs and a lead bullet? No chance. :)
 
Ian Robertson said:
Perhaps you were seating thm too long and into the rifling? My standard for all my 9mm is .357. Bigger is best as long as it fits.
Click to expand...

My experience as well, diameter is only too big if they won't chamber. It is a rare 9MM that shoots cast .356 accurately, mine are .3575, work well in my Ruger SR-9 and CZ 85 Combat, no chambering issues in either with my Ideal 121 grain cast. I agree as well if they won't chamber, could be your seating depth. Of course on a 9MM you need to watch seating depth as pressures rise quickly (if close to max loads) if you seat too deeply due to the small case capacity.
 
ZREXER said:
My experience as well, diameter is only too big if they won't chamber. It is a rare 9MM that shoots cast .356 accurately, mine are .3575, work well in my Ruger SR-9 and CZ 85 Combat, no chambering issues in either with my Ideal 121 grain cast. I agree as well if they won't chamber, could be your seating depth. Of course on a 9MM you need to watch seating depth as pressures rise quickly (if close to max loads) if you seat too deeply due to the small case capacity.
Click to expand...

Its funny you say that when even the Lyman Cast bullet book and hornady online load data have all of there 9mm loads listed as being sized to 356

what have ye say now good sir?
 
pearcetopher said:
Its funny you say that when even the Lyman Cast bullet book and hornady online load data have all of there 9mm loads listed as being sized to 356

what have ye say now good sir?
Click to expand...

sometimes you don't follow exactly what the books say sometimes you do. i've run .358 in my stock glock, but usually size to .357" .356 is to small for most 9mm barrels using lead.
 
I think in the Lyman book they talk about slugging barrels, have you slugged your 9's? For revolvers the rule is to slug the cylinder, not the barrel. When we were on service ammo for TR we shot 308 (or there abouts) through 3065 barrels trying to squish them round with no pressure issues, to get them to shoot better. That is jacketed not cast. Just because it is written does not always make it so.
 
pearcetopher said:
Its funny you say that when even the Lyman Cast bullet book and hornady online load data have all of there 9mm loads listed as being sized to 356

what have ye say now good sir?
Click to expand...

.356" is a nominal diameter and load data is a guideline. My CZ 75 will keyhole with .356" lead bullets.

I would also look at seating depth before changing sizing diameter. The first thing you should do with any bullet when reloading for auto pistols is to make up a dummy round and confirm that it will drop freely all the way into the chamber.
 
tjhaile said:
.356" is a nominal diameter and load data is a guideline. My CZ 75 will keyhole with .356" lead bullets.

I would also look at seating depth before changing sizing diameter. The first thing you should do with any bullet when reloading for auto pistols is to make up a dummy round and confirm that it will drop freely all the way into the chamber.
Click to expand...

Good tip for sure. I did just that with my CZ 75 Shaddowline. I size my projectiles to .358. Very accurate and no leading issues.
 
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