Experienced shooters know that efficiency equates to speed. Recoil recovery on the same target is measured as a “split” time and in between targets as “transition” time.
My brother-in-law and I took our collective AR-15 rifles to the local sand pit last Saturday to practice shooting drills and basic marksmanship. Included were several 5.56 NATO rifles in both standard and tricked-out versions, as well as one suppressed .300 BLK.