• This Forum is for adults 18 years of age or over. By continuing to use this Forum you are confirming that you are 18 or older. No content shall be viewed by any person under 18 in California.

Go-No Go Gauge & Reamer

So I know you should use the same brand go gauge as no go gauge. My question is should you use the same brand go gauges as reamer? I am not talking wildcats, just standard like 6mmBR or 6.5x47 Lapua?

Eric
 
It shouldn't matter. They are all made to SAAMI specs.

You really only need the go gage. You can put a piece of tape on the head of the go gage and use that for the no go.

Joe
 
It shouldn't matter. They are all made to SAAMI specs.

You really only need the go gage. You can put a piece of tape on the head of the go gage and use that for the no go.

Joe

So what kind of tape? Electrical tape, carpet tape, strapping tape, duct tape, scotch tape, masking tape and 59 kinds of surgical/medical tape or.......? What brand of which tape?

Cannot understand why people make these kinds of comments on the net? Who reads them and which will they choose? Safety SHOULD be first concern over saving a few bucks by only buying a go guage!!! Buy the correct darn tools and then sell them when you are done and recoup much of your money back!! The Scotch tape I use is .002 thick, 3M best electrical tape is roughly .005. I have some cheap electrical tape that is .007+, and some black crap 3" wide and about .015 thick! Have never measured duct tape or carpet tape. With dozens and dozens of choices or color and brand of duct tape are they all the same thickness? Is the dozens of brands of masking tape are they all the same thickness? So if you want to give someone advice on how to save $25 by not buying a NO GO guage at least consider their safety and give them the thickness and brand of tape you use to replace the NO GO guage.

This is the internet and nobody has a clue who or how many people will read their advice on how to save $25 with a shortcut. If you're gonna be cheap and use tape I wish people would PM the OP with their suggestion and not post it for everyone to read and comprehend. Kinda like 'use a piece of new brass' or 'use a piece of FL sized brass'!! What is the length of the new brass you have? What is the length of your FL sizing die? Manufacturers have tolerances for their products, whether new brass, FL sizers or tape! If your GO guage is on the long side and the tape you use is .008 then where are you?

So now I am done with my safety rant! I am sure there will be numerous condescending posts and people telling me how ignorant or stupid I am for conveying SAFETY FIRST! After all it is the net and they don't have to look at you when insulting you!

I SINCERELY APOLOGIZE for coming off as a dick, was not my intent to jdh47, with the damn stroke I had my left arm and hand don't work so good for typing so I take shortcuts to post, which isn't often anymore. Also I can read and reread something I say/type 6-10 times before I notice misspelling, punctuation or that it isn't/wasn't the way I intended for it to come off as. The melon don't work right either most days. Again, sorry Joe and anyone else who took or takes it as my being an arrogant arse!!!

As usual I apologize for any spelling errors etc. Have a stroke and see how well you do with typing and comprehending what you type!

Respectfully,
Dennis
 
Last edited:
Follow jdh47s advice. When a go gauge will just close without force, it is good.
Dennis, Joe has been around the block. If you are a gunsmith and check old rifles, the no go would be best, but the way it was posted he was buying a reamer to do a chamber.
He didn't say he needed to check an additional chamber.
 
Butch, wasn't trying to single anyone out, just that when you make a statement publicly anyone who reads it knows what is what. Heck, I am a cheap ol bastud and usually only buy go gauges. I use Scotch brand clear office tape(for the life of me I currently cannot remember official name)!!! :( But it is .002 thick and I measure a piece each time with mic to verify thickness. Just that I may know thickness, Joe may know thickness he recommends and even OP may know but the hundred others may think he might be using electrical tape. Just not wanting members to assume that ANYONE who may read it knows what they have and thickness. Was my only reason for posting!!!

Respectfully,
Dennis
 
Last edited:
Butch, wasn't trying to single anyone out, just that when you make a statement publicly anyone who reads it knows what is what. Heck, I am a cheap ol bastud and usually only buy go gauges. I use Scotch brand clear office tape(for the life of me I currently cannot remember official name)!!! :( But it is .002 thick and I measure a piece each time with mic to verify thickness. Just that I may know thickness, Joe may know thickness he recommends and even OP may know but the hundred others may think he might be using electrical tape. Just not wanting members to assume that ANYONE who may read it knows what they have and thickness. Was my only reason for posting!!!

Respectfully,
Dennis

Dennis if you weren't trying to be a Dick you would have let Eric ask the question if he needed clarification.
Sorry just me being a Dick I suppose.
 
Dennis if you weren't trying to be a Dick you would have let Eric ask the question if he needed clarification.
Sorry just me being a Dick I suppose.

Well Dave, guess even an apology doesn't cut it here anymore and draws a negative response from someone other than the gent who initially asked the question! Eric may have known what Joe meant as to WHAT/WHICH KIND OF TAPE and maybe Joe PMed Eric or whatever so the both of them are/were on the same page! My concern was that Eric and Joe are not and will not be the ONLY TWO that read the information in the d*mn post!!!!!! Do the perhaps 100 or 1000 others who may read it know what tape to use????

Funny how sometimes the ones generally making sarcastic remarks are the first to point it out to others. Maybe Eric or Joe could have or should have told me I was a dick instead of Dave Tooley? Now I am done with this, the gents around the age of myself have made it quite clear that clarifying comments and trying to make sure safety is first and foremost is not my business!!! I don't argue face to face and darn sure have nothing to prove nor gain by doing it on the net!!! There are really two reasons I don't post much, my disabilities and the rudeness and smart*ss remarks by those who don't have to stand face to face with you while insulting you!!!! Done with this topic. Too much of a dick to deal with the same who don't post any helpful information and post only for a cheap shot because it comes so easy for them!
 
Okay guys I didn't mean to start a fight.

Yes, I do use no go gauges too. I only have a couple of calibers that I don't have them for. Yes, I know Scotch brand tape is .002" and 3M Blue Painter's tape is .004". But that is not my question.

Can I use a PTG gauge to measure a chamber cut with a Manson or JGS reamer?

Can I use a Manson gauge to measure a chamber cut with a JGS reamer?

I hope the gauges are built to SAAMI or CIP specifications. I am looking for feedback from those of you that use them..

And again, I am not talking about wildcat cartridges.
 
I've never bought a no-go gauge for the 100 or so reamers I have. If you can measure properly, you should know what measurement 'zero' headspace is. If I measure chamber depth at .0015" over 'go' why the hell would I need to throw in a gage that measures .004" over that just to say 'yep, she don't close!' Either that or install the stripped bolt and measure the lateral movement with the bolt closed over your go gauge if there's any question...hmmm moves back and forth .002", looks like I'm .002" over GO....good deal! That will tell you a bit more than just knowing you're NOT .004" over.

Sorry for the outburst, I probably have no idea what I'm talking about...

And as far as brand of gauges go, if they are to SAAMI spec, they should measure the same from the head to the specified datum on the shoulder.
 

Dennis, I am with you, when a smith and or reloader purchase a head space gage they always purchase the short one. I help a man with a rifle he was building' it was a 1903 Rock Island period correct for 1911. He had 20 head space gages and all of them were too short. I offered to modify all of them to read from to go infinity, problem modifying the gages would change the period correct/collectable value. Anyhow, no one could figure out a way to add .0025" to the length of a go-gage.

F. Guffey
 
I made one "go" gauge with an insert which would measure the amount of headspace. Worked just like a telescoping hole gauge. If I was to make headspace gauges for sale, I would make them this way and eliminate the need for a "no-go gauge. I don't like having a "no-go" gauge in the shop. I once chambered a 270 .006 too deep when I measured using the "no-go" while chambering. That gauge now resides somewhere in the brush behind the house. WH
 
And as far as brand of gauges go, if they are to SAAMI spec, they should measure the same from the head to the specified datum on the shoulder.

And; if the smith and or reloader knew what they were doing they could verify the gage. Add tape? There has to be something about measuring the length of the chamber from the shoulder of the chamber to the bolt face smiths and reloaders do not understand. These two reloaders were arguing about head space; they did not have a head space gage. I wanted to know what the problem was and I understood they did not have a head space gage. Anyhow; I demonstrated two techniques that did not require a head space gage. It was about that time I found there was a lot they did not understand about head space (length of the chamber from the datum/shoulder to the bolt face).

F. Guffey
 
You really only need the go gage. You can put a piece of tape on the head of the go gage and use that for the no go.

if the go-gage is too short for checking no go-gage length chambers and field reject length chambers why wouldn't the field reject length gage be the only gage a reloader/smith would need?

If I only had a head space gage I would modify it to a 'go to infinity gage'.

F. Guffey
 
I made one "go" gauge with an insert which would measure the amount of headspace. Worked just like a telescoping hole gauge. If I was to make headspace gauges for sale, I would make them this way and eliminate the need for a "no-go gauge. I don't like having a "no-go" gauge in the shop. I once chambered a 270 .006 too deep when I measured using the "no-go" while chambering. That gauge now resides somewhere in the brush behind the house. WH
They made an adjustable headspace gauge many years ago , it wasn't reliable enough . If you can't afford to buy the correct gauges make them . But there is a reason the standards have been set with go/ no go gauges .
Yes the gap between go and no go can be large and doesn't tell you exactly what you have , it works . A solid set of gauges can be made or purchased in .001" increments .
 

Upgrades & Donations

This Forum's expenses are primarily paid by member contributions. You can upgrade your Forum membership in seconds. Gold and Silver members get unlimited FREE classifieds for one year. Gold members can upload custom avatars.


Click Upgrade Membership Button ABOVE to get Gold or Silver Status.

You can also donate any amount, large or small, with the button below. Include your Forum Name in the PayPal Notes field.


To DONATE by CHECK, or make a recurring donation, CLICK HERE to learn how.

Forum statistics

Threads
166,278
Messages
2,214,934
Members
79,496
Latest member
Bie
Back
Top