9mm gauge block

[Tripplet918]

Where have you been all my life.

I question its need, but if you gauge every piece, which Ive done, this is a God send.

https://youtube.com/shorts/2g5sBIdhigQ?si=c99BFEClW2Kps70Q

[Strafer]

I check every one of my reloads for 9, 380, and 45 using the Hundo case gauges by Shock Bottle. I got 3d printed bases for them off eBay.

The gauges are very helpful to ID rounds that won't chamber and primers that are too proud (or missing, oops).

https://www.shockbottle.com/product-page/9x19-100-round-case-gauges

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[smoothy8500]

I used to check every round when I was just starting out. Now when setting up I just randomly check a couple sized cases/complete rounds with the actual chamber. If it's good, then it's good to go.

[sigstroker]

I check every round. I shoot 9mm out of a friend's machine gun sometimes. The cases get bulged pretty good. Sometimes they size down to fit the gauge (and my guns) and sometimes they don't.

[rhodesengr]

I check every round and use Dillon gauges. Sometimes I'll feel a little resistance but going in and out of the gauge a few times and turning the round smooths them out. I doubt a plastic product would be good for that.

[stormvet]

With nine I don’t bother, I just use the tightest fitting chamber I have. It happens to be a 2014 made S&W Shield, I just check to see if they fit to start. Then every 100 or so rounds I’ll check again, if they pass the plunk in that Shield they will easily pass in my CZ’s and Glocks.

[Ned Ryerson]

For USPSA I check every single cartridge. Just one out of spec case can ruin an entire match. Mighty Armory dies help A LOT with getting almost every reloaded case back into spec, but I still put any cartridge that doesn’t slip easily in and out of a case gauge into my practice ammo box. I used to use a Shock Bottle Hundo, but I recently switched to Armanov. I like the Armanov system better, but if you already have a Shock Bottle, it’s honestly probably not worth making the switch.

[res2580]

I plunk test each on my barrel and drop it on Hundo gauge tray. Time consuming but pays off.

[smoothy8500]

So I got to ask, how often do you come across a round that doesn’t pass?

[Strafer]

So I got to ask, how often do you come across a round that doesn?t pass?

I get one or two per hundred on 9, occasionally more than that on 45 , and hardly any on 380. YMMV...

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[stormvet]

So I got to ask, how often do you come across a round that doesn?t pass?

I know with my old school cheap method of just the tight chamber plunk test my failure rate on my reloaded 9mm is less than 99.5%. This year alone so far I?ve reloaded close to 10,000 9mm rounds, can?t see it as a justifiable expense.

Earlier this week I had the first failure of a reloaded round I can remember all year. And that was do to a lose primer pocket, not an out of spec round.

But I understand when you get into reloading it?s fun to get all the bells and whistles. I?m way past that, haven?t bought any new reloading products in many many years. Aside from replacements for worn out parts.

[smoothy8500]

"I get one or two per hundred on 9, occasionally more than that on 45"

Uhh, if I was getting failure to feed/fire rates like that I'd really review my reloading techniques...

"Earlier this week I had the first failure of a reloaded round I can remember all year"


Ok, I can see that, especially since your reload rate is much higher than mine. I only do 4-5K of rifle/pistol total per year and haven't had an issue in several years.

[hambam105]

If you own more than 1 pistol in the same caliber a case gauge is a good idea.

Plunk test one cartridge for on all your revolver's cylinders?

[sigstroker]

So I got to ask, how often do you come across a round that doesn?t pass?

Maybe 5 or 10 per hundred of 9mm if there's a lot of MG brass in there. Some of them are funny, like they only go about halfway into the gauge. The no-pass go into my MAC bag. It has a loose chamber and almost anything will go in.

I don't load as much .45 but I get some that don't pass there because I almost always use lead bullets. I get some lead shaving as I seat the bullet sometimes and the taper crimp sometimes causes a ridge near the case mouth.

[smoothy8500]

Maybe 5 or 10 per hundred of 9mm if there's a lot of MG brass in there

I can see needing a block if there is bloated MG brass involved.

But some of the other responses from users of the block or case gauges could be overly cautious, such as lead shavings, which I notice on occasion but never had a FTF due to it.

Then again, if catching a lot of actual No-Go rounds (fat rounds, crooked bullet, high/backward primers, etc) Then maybe one needs to consider the gauge is a crutch for poor reloading practices.....