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#22lr

In this video, we take an in-depth look at how .22LR rimfire accuracy is influenced by the way each round fits into different rifle chambers, with a special focus on the barrel rifling and its interaction with the bullet. Using clear diagrams and real .22LR rounds, we break down how bullet fit can vary depending on chamber specifications, rifling type, and manufacturing tolerances — and how these differences directly affect precision and consistency downrange. We explore: The difference between Sport, Match, SAAMI, and CIP chamber standards for .22 Long Rifle How freebore length, throat geometry, and lead angle change bullet seating depth Why barrel rifling engagement impacts accuracy and velocity consistency How small changes in chamber cut can create noticeable differences in group size Real-world examples using live ammunition and visual cutaway diagrams Why understanding your chamber is as important as lot-testing ammunition for peak rimfire performance Whether you’re a precision shooter, rimfire competitor, gunsmith, or just curious about the science behind accuracy, this video will give you valuable insight into the relationship between bullet fit, chamber design, and rifle performance.