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Old April 3, 2014, 11:13 AM   #15
JD0x0
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Join Date: January 30, 2013
Posts: 1,037
You're looking for CXP3 bullets, since elk is generally CXP3 game.

This means you probably want a sectional density of at least .26 which would put you at the lower end of cxp3 game.

120 grain = .246
123 grain = .252
129 grain = .264
140 grain = .287

It looks like a 129-130 grain is right where you want to be. According to information on the Grendel, you should be able to push a 130 grain up to around 2510fps in a 24'' barrel. The 129 interbond or Nosler's 129 grain accubond 'long range', seems like they were built for the job. Since the Grendel lists 130's in the load data I've seen, I'd have to assume they'd work, unless your magazine is too short. I am not sure, because I don't know the rifle in question, but as far as the cartridge being able to fire bullets that heavy, it should be fine. You could always single feed worst comes to worst, you don't really need a mag loaded with 120-130 grain bullets on an elk hunt, but it would be nice to have your elk loads fit into your mag.

You could probably get away with something a little lighter with the TTSX, but the 129 just seems like a better choice IMO. The accubond also has a very high BC of .561 (G1) compared to the hornady bullet in the same weight, at .485 (G1) which could help extend your range, because the bullet is so efficient.

Last edited by JD0x0; April 3, 2014 at 11:19 AM.
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