Talk:6.5mm Grendel

By: Reginhild
Much discussion on editing this page has taken place among experts on the 6.5 Grendel cartridge at the website www.65grendel.com. Link to applicable discussions: www.65grendel.com discussion on edit of Wikipedia "6.5 Grendel".

Inaccurate load data
The velocity data being used is very old, likely before SAAMI did bolt-thrust measurements and pegged the round at 52k PSI. Alexander Arms had published some VERY hot (estimated in the low-mid 60,000 PSI) loads and subsequently had issues with broken bolt lugs. They have pulled their old load data and released a newer, much lower velocity set of data that is still hot, but is closer in line with pressure data from Hornady, Nosler, Hodgdon, and others.

AA's newer data: http://www.alexanderarms.com/images/pdfs/grendel_reloading.pdf Nosler's load data: http://www.nosler.com/nosler-load-data/65-grendel/

I recommend updating the loads on the Wiki to be more in line with what is realistic for the cartridge. The average 'hot' load for a 123 gr bullet is around 2450 FPS from a 24" barrel, not 2650. The fastest powders (AA-2520) are approaching 2500-2550 depending on the bullet and barrel, but still much cooler than AA's 2630 or their previously published loads using 'proprietary' powder blends. — Preceding unsigned comment added by Thegathering (talk • contribs) 16:55, 9 March 2016 (UTC)

External links modified
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