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"Glocked" 10mm brass - how to deal with it?


reloader901

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I've been reloading for decades. Have a S-1050, but that will never see 10mm. All of my pistol and rifle dies are Dillon. Have never used anything else. Would like to reload 10mm on my Lee single stage press. I do not have any 10mm dies.

Purchased my first Glock a few weeks ago (G29). I am shooting Armscore FMJ and Underwood JHP. All have the "Glock bulge". All are approximately same dimensions. 0.425 - 0.435 (the large measurement being the bulge).

I plan to only make very light practice loads (300 - 800 per year).

QUESTION:

Do I need to get involved with U-dies, or Budge Busters, or any of that sort of thing? Or, will the Dillon dies fix 'em well enough? I will only be shooting the reloads in the same gun. I'm not a perfectionist.... just want reasonably safe low energy practice ammo.

TIA

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If your intent is to reload the Armscor brass I would do some research, I've read some sketchy things.

If the brass is bulged, then it's compromised, especially if there's a smile line (shear). That said, mild loads shouldn't be a problem. As recommended, try whatever

sizing die your end up buying, and if they don't plunk get a bulge buster (needs the corresponding FCD),

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I use the Redding GR-X die for CCI & Speer brass.

However, I have not used Armscor brass.

It has removed the bulge just fine.

+1 You're just shooting 40S&W long brass. My Redding GR-X die gets a work-out whenever I load 40's. If you decide to go that route, spring the extra bucks and go carbide. Much easier on the arm.

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I use a Lee Pro 1000 to reload my .40 S&W for many uses including USPSA. I get range brass which has a lot of "glocked" brass. I also shoot a Glock 22 (.40). The standard Lee resizing die handles the bulge, including some that are bulged quite large. It handles them so well, I am able to use them in my Para Ordnance P16 Limited fully supported barrel. They "plunk" right down into the chamber.

I've heard the Lee resizing dies are very good from others. If the Dillon doesn't meet your need, get a Lee die.

Sent from my iPad using Tapatalk

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Case pro 100 will do exactly what you are looking for.

True, but the cost puts it out of reach for most casual shooters.

Even as many rounds per year as I'm putting through the redding push through $825 plus case feeder is pretty steep.

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  • 2 weeks later...

I've never had a problem sizing .40 that was shot out of a glock with a Dillon size die.

After the replies here and talking with Dillon I bought some Dillon dies. The sizing die resizes the 10mm brass well enough to plunk and shoot in the same Glock 29 they were first fired from. At this time I have no plans to change barrels. It is a carry gun and will stay a carry gun. Now I can reload my practice ammo.

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  • 2 months later...
On 7/18/2016 at 11:06 AM, HCH said:

I've never had a problem sizing .40 that was shot out of a glock with a Dillon size die.

If I were to separate my range pickup into glocked and nonglocked piles maybe one out of 15-20 of the clocked brass would fail the drop in test after reloading. I didn't get into reloading to have a reject rate.

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  • 3 months later...
On 7/18/2016 at 5:30 AM, Ray_Z said:

+1 You're just shooting 40S&W long brass. My Redding GR-X die gets a work-out whenever I load 40's. If you decide to go that route, spring the extra bucks and go carbide. Much easier on the arm.

Redding push through dies work great.

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I gotta throw my 2 cents in....  I'm a big 10mm nut.  I've got three Glocks (including a 40 MOS) in 10mm and an IAI Javelina.  I've been playing with the cartridge for probably a decade now.  Pet load, AA#9 (work it up, I'm not taking liability), 180gr MG JHP, Starline Brass, CCI Primer.

 

I'm gonna throw two pieced of advice.  First the Glock 29's slide lock time is way short, and this is the reason your going to get buldge with heavy loads, pretty much no matter what. (Armscor doesn't count as heavy, it just has sucky brass period) You just have to accept that.  You'll probably find that winchester or federal 10mm won't buldge, but its basically just the same as 40sw. Winchester being the hotter of the two. Just remember the model 29 is a compromise for concealment purposes, and it will take the abuse but if you put full power loads over a chrono, don't freak out when you see the extreme spread.  Its scary....  But thats normal for that particular gun.

 

I found that you won't have the same problem of brass bulge and full power loads with the full size model 20 as long as your running a nice heavy recoil spring.  I've had zero problems with full power double tap or buffalo bore in the model 40 with the stock spring, been able to reload it too. But its slide is a brick.

 

Second of the two things....  order some starline brass, work up practice reloads where your not pushing the brass and can keep using it.  Yea your basically going to be running a watered down load equivalent to a 40sw, but its practice ammo, and the point is load economy, not beating your gun up.

 

Double Tap, Buffalo Bore, and Underwood are great ammo makers for 10mm.  As far as I know they are the only ones loading to original norma pressure spec.  The off the shelf stuff you'll find from Remington, Winchester, Federal, etc is all going to be watered down equivalent to a 40sw, because its intended to only penetrate so much ballistic gel after going thru 4 layers of denim and thats it, nothing more.  Yea, basically might as well have gotten a Glock 27 if thats all your ever going to shoot thru it.  Funny thing is, you might find even at the same PF, the Glock 29 will be a little softer than the Glock 27.  In a similar way as 38super is softer than 9major in comparable platforms with same PF.  Something about that case capacity, and powder options.  Anyway, continuing my long diatribe if your actually still reading, cause by now I'd already be looking at the gun porn posted in the open gun section... The point of a 10mm is to deliver more energy down range, also offering better barrier penetration.  Trust me you feel the difference in your hand when you pull the trigger on real 10mm versus watered down common name commercial stuff.  Its basically a magnum cartridge, and if I found myself having to use a handgun to put rounds down range in a gun fight, I hope I'm doing it with a 10mm.  

 

Armscor sucks BTW, its not even a heavy load, its brass is just that soft.  Might as well buy the blazer aluminum cases stuff if your going that route.  

 

Here is the funny thing, you can play around with some heavy 200gr and 220gr projectiles, and even pushing them out, they have this weird slow push, feels very similar to 230gr ball ammo in a 45....

 

 

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  • 10 months later...

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