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What will a .22lr do to concrete?
January 1 2017
A Marlin model 70 Papoose with a Coastal Passport Mark 2 Suppressor chambered in 22lr was used to test the penetration capability of Remington 38 grain 22lr hollow point ammunition against concrete. The 38 grain hollow points demonstrated 3/8" or less penetration with single shots and 1/2" of penetration with a 20 shot composite.