The Firing Line Forums - View Single Post - Sierra .22 cal 65 grain Gameking in an AR

MJFlores · April 14, 2013, 11:44 AM

Will do. I'm planning on starting with 21 grains of H322 and working up from there. I haven't seated one yet, but my load with Sierra 60 grain Matchkings fit nicely in an AR magazine so I plan on using the same seat settings.

April 14, 2013, 11:44 AM	#4
MJFlores Senior Member Join Date: April 8, 2013 Posts: 539	Will do. I'm planning on starting with 21 grains of H322 and working up from there. I haven't seated one yet, but my load with Sierra 60 grain Matchkings fit nicely in an AR magazine so I plan on using the same seat settings.