Anyone have a 8.6 blackout set of headspace gauges they could measure for me, I ordered a set of PTG headspace gauges and they both measure 1.4045.
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The 8.6 and creed are quite different.Parent case is the creed, should be the same I'd think? Problem is, you're comperator that you're using to measure headspace on your gauge, isn't going to be an exact dimensional copy of someone else comperator used to measure a gauge. You'll see different numbers.
It most definitely is! I knew it used the creed parent, but didn't realize they moved the shoulder that far back. Clearly a cm gauge will not do anything for the OP, I put my foot in mouth there.The 8.6 and creed are quite different. View attachment 8239179
Since it's remage, I'd take your go gauge, add one or two layers(max) scotch tape, and spin the barrel on till contact is made with the gauge, and tighten the barrel nut down. This will leave you with a headspace of go gauge plus 002-004 depending on how tight you spun barrel up against gauge. Most smith's who cut custom chambers cut to go plus 002. Black electrical tape has to be thicker than scotch and at 3 layers, that's prob go plus 009 at least. Sounds like headspace is off. Simple test, put scotch and black in your caliper and check thickness.I should have posted more info, I have a Faxon Remage 16” barrel I’m trying to set the headspace on, I just started out with the go guage and adding layers of tape, got to 3 layers of electrical tape and the bolt will still close with no resistance(firing pin and ejector removed), so i ordered the no go just to see if that made any difference, I’m starting to wondered if the barrel is chambered correctly.
Yes you need a comparator because its a good tool, but for now just go reset headspace on the go gauge, then try the no-go.Ok, I see, looks like I need a comparator to accurately measure my go no go gauges, thank you for that info.
Perhaps try this, apply one layer scotch to the go gauge. Spin barrel to contact. Tighten barrel nut. Remove the go. Test no go, if no close, good. Then test go, it should drop the handle closed. This is with firing assembly and ejector removed from bolt body.