New Sierra 300 AAC load data link

[galaxy]

For the 300 BLK. Nothing earth shattering, but another great free reliable source for load data development just updated.

https://sierrabulletsblog.com/2017/12/21/sierra-bullets-300-aac-blackout-load-data/

[Michael J. Spangler]

Thank you

[308Jeff]

Lots of good stuff there. Thanks!