setting shoulder bump

[workingman]

Howdy folks,
I am wanting to find a good way to accurately set my shoulder on bump.
This really looks like a nifty gadget.
http://www.midwayusa.com/product/202017/redding-instant-indicator-comparator-with-dial-260-remington

But it is expensive. I am wondering if this will work just as well
http://www.midwayusa.com/product/47...-headspace-gage-5-bushing-set-with-comparator

RCBS does not make a precision mic iin this caliber. 260 Rem.
Any ideas suggestions or recomendations will be greatly appreciated.
Thanks,
Chris

 

[p5200]

I use these to help with shoulder bumping. http://www.midsouthshooterssupply.com/item.asp?sku=0004488340

 

[Walkalong]

It doesn't take anything fancy really. These are home made. There are a ton of [strike]debates[/strike] threads on this.

.223

.308

.35 Remington

This simple Sinclair tool will work well enough. You can use it for the bullet, or the shoulder, although it is really designed for the bullet ogive.

 

[rikman]

The Redding Instant Indicator is expensive,but does other handy measurements, I got one for my 308Win loads along with their Type S Neck match die set.

I think I'll be getting the Hornady tool for my 223 Rem & 30-06 though.

 

[JDGray]

I made a tool like Walkalong has, and it works great. Or you can shoot your brass until it starts to chamber hard, then slowly adjust your sizing die in until your cases start to chamber easy.

 

[JimKirk]

After using the Sinclair hex nut to measure bullet length and COL... I made a couple out of some good grade hex nut to fit the shoulder of various cases. It is a simple job in a good drill press with a good and correct size bit. I used a bit size that would get me to the mid point on the desired shoulder. It uses the same principle as Walkalongs devise except there are multi sides to use.

 

[fguffey]

http://www.use-enco.com/CGI/INSRHM

I make datums, I collect datums, I purchase datums, I do not sell datums, not easy to sell something a reloader perceives as a line (as in datum line) Redding and others have found a way to bundle datums in an expensive package, one insist his innovative tool is a head space gage when it reality he is selling a comparator, any reloader with the minimum knowledge in basic tool use can/could build their own comparator with tools from Harbor Freight or Enco tool.

Again, I make tools, when reloading there are times no additional tool is required when measuring, old reloaders spent too much time talking about something they did/do not understand, case in point:

http://www.midwayusa.com/product/202017/redding-instant-indicator-comparator-with-dial-260-remington

$117.00 for one gage for one chamber, with help I believe Redding could do better, I do better, I use the companion tool to the press, the feeler gage, Redding calls the feeler gage a thickness gage and leaves it up the reloader to find a use for the tool,I use the feeler gage as a transfer gage, I use the feeler gage as a standard, in my opinion reloaders have more money than skill, those that are using adapters with the dial caliper should give credit to Hornady/Sinclair when their copies of an ideal is used with a dial caliper.

The Redding instant-indicator was purchased by a very profile poster, member, reloader, it locked him up, he measured 400+ cases fired in one chamber and then determined the Redding tool was useless. Of course, I disagreed, I do not have the Redding tool, for me it is overpriced by $100.00+ dollars, but, the tool I make to measure the same measurement from the shoulder to the head of the case is as accurate as Redding's, and faster and more versatile

F. Guffey

 

[W.E.G.]

Use the RCBS micrometer tool, and quit guessing and making mistakes.



Do NOT use the bullet-looking-thing that comes with the RCBS tool.
That piece is garbage, and should be thrown away immediately when you first open the box.

 

[fguffey]

Jim Kirk, forgive, you did give credit and I agree, I do not insist on matching datums to Sammie specifications, I make them up, my case, my die and my chamber, when measuring the length of the case from the head of the case to the shoulder/datum I know the datum is not half way between the shoulder and neck juncture, the same datum for the 30/06 is used for the 25/06, and the 270 W., and the 7.7 Japanese and, many more, same for the 308 Winchester, again these things do not lock me up, but, after someone declared the datum is half way between the shoulder and neck datum there is a risk someone believes them, I do not ask for the luxury of disagreeing, I simply disagree, and we know that is not the way to win friends.



F. Guffey

______________________________________________________________________________



If I have to lend to be a friend, friendship comes too high.

 

[JimKirk]

after someone declared the datum is half way between the shoulder and neck datum there is a risk someone believes them

Forgive me Frank ... I hope you didn't gather from my post that the datum IS midway the shoulder... only that I use the mid point (or as close as I can get to that diameter) and I use it to compare ... not to Sambo or Joe the Plummer, but my own chamber/die ... others can do the same ...

Friends ... friends that speak a different language ...

 

[fguffey]

Jim Kirk, I said:

".....and I agree, I do not insist on matching datums to Sammie specifications...."

".......the same datum for the 30/06 is used for the 25/06, and the 270 W., and the 7.7...."

And I agree again, it is not easy to get one measurement half way between the shoulder/neck juncture for the 30/06, 270 Remington and 25/06, again, the datum is the same for all three, the datum for the 308 W could also be used for the 30/06, or, the 30/06 datum could be used for the 308 W.

F. Guffey

 

[JimKirk]

I simply disagree

I only wish that it could be that "simple" .... The word "simple" and Frank are like oil and water

By the way... I have shared your method of using the feeler gauge with other reloaders on another forum...

It doesn't work too well for me on the Forster CoAx because of the non-shellholder factor.

 

[fguffey]

Jim Kirk, help me out with the quote “I simply disagree”

I have a press with the ram on top with the shell holder and the die on the bottom with the die upside down, it looks different and, I rarely use it but the press has advantages over using ‘cerosafe’.

http://www.forsterproducts.com/catalog.asp?prodid=700332

http://www.forsterproducts.com/store.asp?pid=24822

I do not have a CoAx press, I will not live long enough to wreck the presses I have “ it looks different” but after reading the instructions I am convinced the die is adjustable, as I have said my first choice is the feeler gage as a transfer and a standard, if access to the ‘non shell holder’ is denied and the die does not screw into the cross bolt for the lack of threads (on the cross bolt) the die is adjusted with the lock rings, loosen one, tighten the other, therefore the die is adjustable, meaning the height of the die can be measured with a height gage or the dial caliper. If the die height is not adjustable I fail to see all the excitement expressed by those that own them.

F. Guffey

and Thanks,

 

[Slamfire]

I was using the comparator on my 7.5 Swiss last night. The Swiss cartridge has an abrupt shoulder, the slightest turn of the die sent readings all over the place.

I would rather be using a Wilson type gage as I trust the shoulder contour cut by a reamer as a better surface to measure headspace, but I have not found any cartridge headspace gages in 7.5 Swiss.

 

[JimKirk]

What I was saying in simple terms, Frank .... is that nothing is "simple" with you.

Again the CoAx press uses a type shell holder that would not allow the use of feeler gauges or shims in it ... never said that it was not adjustable... matter of fact ... it is has way more adjustments than a normal C or O type press ... adjustable shell holder, adjustable primer setup, self adjusting(centering) die holder and yes it use the same adjustable dies as most any other press.

Thanks for your understanding ... Friends ... agree or not....

 

[atblis]

The Lock-N-Load tool you linked works just fine. They give you the inserts with it to do multiple cartridges as well. Good value in my opinion.

I also like these
http://www.midwayusa.com/product/52...set-1-308-winchester-30-06-springfield-45-acp

 

[dmazur]

RCBS does not make a precision mic iin this caliber. 260 Rem.

Well, you are correct. But, if you buy one for .308 Winchester and throw away the somewhat useless plastic bullet thingy (and its nut), you should have a perfectly good cartridge headspace gauge for .260 Remington.

Of course, all of the other tools mentioned will also work...

 

[USSR]

...throw away the somewhat useless plastic bullet thingy...

Yeah, that thing is pretty worthless.

Don