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Scale and caliper check


bandw1dth

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Where’s a good place to get a quality scale check weight? Spending the least amount of money would be preferable. I know quality and cheap don’t necessarily go hand in hand but it’s worth a shot.

 

What’s a good way to verify / calibrate a set of calipers? Maybe something that’s a precise diameter? For the life of me I can’t think of what their called. I had my old gun smith use a set of these to check the gas port on one of my ARs a while ago before he went outta business.

 

Thanks for all the helps guys.

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Once I get the scale cal check done with a cal weight I grind down a few washers to come close to my common charge weights and use those for a quick spot check at or closer to my charge weights.

That’s a really good idea


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  • 2 weeks later...

From the U.S. MInt, weights and thickness of new uncirculated coins:

 

Penney   2.5 grams and 1.52 mm (0.05984") thick

Nickle   5.0 grams and 1.95 mm (0.07767") thick

Dime   2.268 grams and 1.35 mm (0.5315") thick

Quarter   5.670 grams and 1.75 mm (0.06890") thick

 

www.usmint.gov/about_the_mint/?action=coin_specifications

 

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