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Very cool, that cut looks great.
Neat idea - thank you for posting the pics on that.
Clever mod. Will have to do mine now, just because I might actually be able to get friends to use gauge now when they slap together a rifle. I always offer up gauge and suggest checking HS on new builds, even say I'll help them with it, very rarely do I have any takers.
Noob question, but what is the purpose of this? Can someone elaborate?
Thanks for the advice
Nice work!!
That's a good idea if you already have the non rebated gauge. You could also spin it on a lathe (less commonly available for most) and give it the Mil gauge profile.
Shoot. I have a mil gauge and never use it for new builds. I never found any new builds to fail. I keep it for checking old guns.
I'm assuming you're asking what's the purpose of the relief, not what the purpose of a HS gage is. When using a gage that isn't relieved for the ejector the bolt must be disassembled or the gage won't yield an accurate result. Obviously not having to disassemble the bolt to check HS is an advantage.
Of course now the gauge must spin in the chamber, carried rotationally by the extractor. Mil gauge don't spin. Does the spin matter? Well... I suppose not if you're using a very deft and light touch whilst gauging.... which you should anyway.