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22LR Ballistics Video

CharlieNC

Gold $$ Contributor
Interesting video regarding ballistics vs the shape of the 22LR bullet.

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You might take note, as video discusses around 10 min mark.
Once ignition takes place those slugs no longer have that heel reduction, the base completely obturates to seal the bore. That previous step is now the diameter of the drive band, easy to see if you recover pristine fired slugs,
 
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