Gun Review: STI Tactical DS 4.0

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“The single stack STI Duty One 4.0 in .45ACP with an aluminum frame [not shown] is my everyday carry gun. That firearm changed my mind about the accuracy and reliability of sub ...”

Excerpt from “Gun Review: STI Tactical DS 4.0” by Jon Wayne Taylor, The Truth About Guns, April 16, 2015.