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rsilvers · July 5, 2011, 10:57 PM

The 300 AAC BLACKOUT throat is such that a 220 Sierra MK loaded to 2.26 OAL will have a 0.010 jump to the lands.

Here is an FAQ:

http://www.silencertalk.com/forum/vi...it=faq#p699521

July 5, 2011, 10:57 PM	#21
rsilvers Member Join Date: January 16, 2011 Posts: 74	The 300 AAC BLACKOUT throat is such that a 220 Sierra MK loaded to 2.26 OAL will have a 0.010 jump to the lands. Here is an FAQ: http://www.silencertalk.com/forum/vi...it=faq#p699521