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Old February 28, 2013, 07:11 PM   #27
zeke
Senior Member
 
Join Date: November 17, 1999
Location: NW Wi
Posts: 369
Wouldn't consider it an absolute neccessity if only reloading low pressure practice rounds. But you may be tempted to handload near the top pressure rounds, and doing so without a chrono would be foolish.

The only way i found out about bullet setback was because i was using a chronograph and getting unexpectly very high velocitys. The higher than expected velocitys is the best indicator us mere mortals have of higher pressure.
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