TIL a trick for fitting a tight scope base from a guy in a Wyoming truck stop

He said he puts the base in the freezer for 20 minutes and the receiver in the sun for 10, then they slip together easy. I tried it on a stubborn Ruger American and it worked first try. What other old-school fitting tricks are out there that actually work?

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3 Comments

the_eric7mo ago

Honestly, that thermal trick makes me nervous. I'd worry about the different metals contracting and expanding at different rates, maybe causing stress or a shift later on. For a really tight fit, I've always had better luck with a fine honing stone and some oil, just taking my time to polish the inside of the base. Doesn't that seem safer than a temperature shock?

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noranguyen7mo ago

Yeah, @the_eric, that's exactly why I stick with the stone method too.

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wyatt_shah856mo ago

But the thermal trick is super fast, right @the_eric?

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