IMPORTANT: Starting March 1, 2026, billing for Science of Accuracy subscriptions ends permanently.
Website access and standalone content will be discontinued soon after. Transition now to AB Quantum™ to keep enjoying – and dramatically enhance – your educational journey through AB Quantum™ which now incorporates the Science of Accuracy Academy™ in the AB Learn tool and directly interact with AB content using AB Spotter.
The Science of Accuracy is Transitioning to AB Quantum™ with AB Learn and AB Spotter
The podcasts, instructional videos, and other content previously on The Science of Accuracy Academy™ site are now accessible via AB Learn, built directly into AB Quantum™ and available with a PRO-level subscription. No more separate logins or browsers: watch, listen, and learn on the go, then immediately apply insights directly in AB Quantum™.
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With the latest AB Quantum™ update (3.5) and a PRO level subscription, we’ve integrated AB Spotter: an advanced AI assistant trained exclusively on the complete Applied Ballistics knowledge database. This includes:
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Update 3.5 featuring AB Spotter and AB Learn is available now. Download today, subscribe, and explore AB Spotter by asking your toughest ballistics questions, and experience the next level of precision shooting education and support.
I am a subscriber. I’m not able to see the Inherent Precision podcast. I can see all the other podcasts. FYI, if I log out, I can see the sample 20min version. FYI, Thanks.
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Hi
I’ve been thinking about how does precision and muzzle velocity statistical indicators relate , is rifle precision based on SDs and the vertical spread based on that , and what dictates your distribution on target at distance, MV or Precision?
I am currently preparing to shoot PRS Rimfire. I’m reading this book and watching the accompanying videos for each chapter. This information is highly applicable for centerfire rifles and I understand this fact. My question is; will all of this apply to rimfire? If so, how much or am I chasing a ghost? Thanks guys I appreciate any input you can provide.
Rimfire is inherently sensitive to muzzle velocity, much more so than centerfire. Rimfire has lower (worse) inherent precision due to a multitude of factors beyond the shooters control: projectile consistency, environmental consistency and relatively high SD’s in terms of percent of MV just to name a few. Muzzle Velocity SD’s for centerfire and rimfire are about the same (7-12fps for an average rifle/ammo combo), however, a subsonic platform will experience more sensitivity to MV shot-to-shot due to the way drag works in supersonic flight vs subsonic flight. This affects inherent precision at short range and severely impacts accuracy and precision at long range.
For rimfire, my focus would be on large sample sizes for zero (average center of multiple 5 shot groups to determine true zero location), and muzzle velocity averages over 15-25+ shots to get solid working range. In practical terms, focusing on solid positions, perfect NPA, follow through, wind calling and tracking the average POI at various ranges throughout a match will provide the most impact on consistency in PRS rimfire scenarios. You will increase your hit ratio more through focusing on those areas than by purely focusing on precision mainly because much of the precision is due to factors outside your control.
-Francis
For rifle precision in WEZ analysis, are the high, medium & low MOA values intended as mean radius or extreme spread (CTC)?
Extreme spread, and obviously not just one group. Theoretically, if you fired a 25 or even 100 round group, the extreme spread of that group would be a good representation of that input into WEZ.