Best 6.5 Grendel Upper: Independent Test Results
Posted by ACME Rifles on Nov 12th 2026
Short answer: In Pew Pew Tactical's test of 6.5 Grendel uppers, the ACME Machine 18" upper ranked #1. It shot 0.89 MOA at 100 yards and 0.74 MOA (3.1 inches) at 400 yards, and the reviewer said i
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