A Data-Driven Approach To Precision Rifles, Optics & Gear
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Tag Archives: Barrel Erosion

Bullet Jump: Is Less Always Better?

Bullet Jump Load Development

This landmark article shares new, primary research that Mark Gordon from Short Action Customs has compiled over the past 2 years. He tested a wide range of bullet jumps in several rifle/load configurations, and this post shares the analysis of that data. Mark used a similar approach to the Audette Ladder Test and OCW method, but the goal was to not find the most forgiving powder charge weight, but the most forgiving bullet jump. He wasn’t looking for the specific bullet jump that grouped the best, but the largest window of bullet jumps that provided a similar point of impact. That means the rifle would be more consistent from the start of the match to the end of it or could shoot a particular kind of match-grade factory ammo really well for a longer period of time. Mark’s findings may seem counter to conventional wisdom when it comes to bullet jump, but a few national-level precision rifle competitors also support the idea, which I highlight in this post as well.

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Practical Tips to Extend Barrel Life

With the number of “overbore” rifle cartridges popular today, barrel erosion is becoming a hot topic.  For example, competitive shooters using a 6 PPC typically replace a barrel after 700-800 rounds, and a 6.5-284 might also need to be replaced before the 1,000 shot mark.  That means the cost to keep a good barrel on the gun could be 60-70¢ per shot before we even consider the cost of components like match-grade bullets, brass, primers and powder.  In reality, short barrel life could easily double your cost per shot.  So what can we do to prolong the accurate life of ...

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