Go,Nogo guages

[kr6ng]

This has probably been asked and answered many times but I read somewhere that some go/nogo guages dont have to have the bolt stripped , does anyone here know which brand that is?
Thanks Russ

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[Bufordm1]

Would be the Forster gages. They offer go, nogo, and field. Very handy. I use mine all the time. Can use easy even at gun shows.

[kr6ng]

Thanks , I see them listed at midway
Russ