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Redding Concentricity Gauge - Again But New

riflemonkey

Hello, riflemonkey here... I am interested in measuring case and bullet concentricity. I am thinking of getting the Redding concentricity gauge. I have seen posts asking about it, but I have yet to see anyone say they have tried it.

(https://www.redding-reloading.com/online-catalog/216-slant-bed-concentricity-gauge)

If you have the Redding concentricity gauge or have tried it, I would be interested in your review.

(I know measuring concentricity is gnatts ass and one gauge is probably like the others, but I am an engineer and I obsessively want to measure everything, LOL)

Thanks,
-riflemonkey
 
quest450 said:
Never used the Redding concentricity gauge BUT if you're gonna dive into the concenricity rabbit hole might as well go all out and get the Accuracy One and be done with it....buy once cry once IMO.
Click to expand...
The Accuracy One concentricity gauge is amazing. I see the manufacturer is proud of it too!

Appreciate the information,
-riflemonkey
 
riflemonkey said:
The Accuracy One concentricity gauge is amazing. I see the manufacturer is proud of it too!

Appreciate the information,
-riflemonkey
Click to expand...

Curt Knitt is a great engineer and one of the best 600yd shooters, I think I have every single piece of reloading equipment he invented....highly recommend it
If you're not familiar take look at Bullet Tipping website
 
I cannot comment directly on the Redding Tool, as I own the Sinclair version: https://www.brownells.com/reloading...s/sinclair-concentricity-gauge/?sku=749007902

I imagine their functions are pretty similar. I have no complaints about the Sinclair unit, it does exactly what it is supposed to do and works well. But as many others here will also tell you, it is not uncommon for new reloaders to buy a concentricity gauge that shortly ends up on a shelf gathering dust once they realize concentricity doesn't mean a whole lot unless the runout is pretty severe.

FWIW - I found a range of different prices online for the Redding unit (from $149.99 to almost $200), so if you decide to buy it, a bit of online shopping may be warranted to obtain the best pricing.
 
Riflemonkey, I haven’t used the Redding, but I can tell you that ’one gauge is NOT like the other’. I own a Sinclair. You have to discard the poor designs out there and then pick a well made one, of which there are plenty
 
JRanum said:
Riflemonkey, I haven’t used the Redding, but I can tell you that ’one gauge is NOT like the other’. I own a Sinclair. You have to discard the poor designs out there and then pick a well made one, of which there are plenty
Click to expand...
So are you saying the Sinclair or Redding concentricity gauges are good or bad? If he hasn't used one before how does he evaluate and discard the pot designs?
Just confused and not sure how to interpret....
 
....and with the Accuracy One you're able to check neck wall thickness runout after neck turning and that is a deal breaker at least for me.
 
riflemonkey said:
Hello, riflemonkey here... I am interested in measuring case and bullet concentricity. I am thinking of getting the Redding concentricity gauge. I have seen posts asking about it, but I have yet to see anyone say they have tried it.

(https://www.redding-reloading.com/online-catalog/216-slant-bed-concentricity-gauge)

If you have the Redding concentricity gauge or have tried it, I would be interested in your review.

(I know measuring concentricity is gnatts ass and one gauge is probably like the others, but I am an engineer and I obsessively want to measure everything, LOL)

Thanks,
-riflemonkey
Click to expand...
I've dabbled with case and cartridge concentricity and end up frustrated with what to do with the results. If a cartridge is outside of a concentricity tolerance, there's not much I can do about it. Things may be a bit better with case concentricity since a full-length sizing die might pull it into acceptable tolerance.

I tried marking high (or low) spots on cartridges with a sharpie and orienting them consistently in the chamber, nothing on the targets convinced me I was onto something.
 
I use mine when i drop a round i just reloaded to see if i messed it up .....
Sinclair is simple and a decent price. The one the op is liking at seems about the same.
The shelf foot print is important because it just sits there most of the time, imo
 
I have a Sinclair, and it works very well. I like it because it does NOT have bearings, the case rotates on pairs of fixed balls set into the bases. No chance of additional runout due to a loose bearing.
Yes I understand the bearings have very, very little play, but I like the simplicity of the ball rests.
 
I've got beaucoup tools from Sinclair, but I've been using the Holland gage now for about 20 years with no complaints. It's not as sophisticated as the Neco or A1, but it does the deed and didn't break the bank either.



We've got some great sources for this stuff though, and LOTS of choices....= good.
 
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