Why build an AR-15 designated marksman rifle (DMR) in 6.5 Grendel?
DocTacDad explains why he chose one of the most capable cartridges for the nation’s best-selling platform.
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Why build an AR-15 designated marksman rifle (DMR) in 6.5 Grendel?
DocTacDad explains why he chose one of the most capable cartridges for the nation’s best-selling platform.
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