Posted July 31, 2017 5:00 pm by Comments

By Dan Zimmerman

Reader Brian P. writes: Who — or what — is DIO? It’s the US arm of Dong In Optical (hold the jokes, please), a Korean manufacturer of optical aiming accessories for…

The post Gear Review: DI Optical RV2 Red Dot Optic appeared first on The Truth About Guns.

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Source:: Truth About Guns

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