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6mm or 243

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Unread 02-21-2007, 07:40 PM
Bronze Member
Join Date: Feb 2007
Posts: 78
6mm or 243

i am looking for a good coyote gun , which one would be good to use . i have been thinking 243 becuase i have the dies , but would like the 243 ai . was told to go with the 6mm. any suggestions.
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Unread 02-21-2007, 09:24 PM
Platinum Member
Join Date: Nov 2005
Location: Riggins Idaho
Posts: 1,195
Re: 6mm or 243

From what my short memory says, the 6mm has a longer neck. I dont know if that really makes a big difference but it might. not really sure it does but I think it does. For yotes, I really have no sugestion because every yote I have shot that was shot with a gun smaller than a 6.5x284 ran away. Ask Remington 25-06. That guy seems to be able to kill the things with a .177 cal pellet gun almost. [img]/ubbthreads/images/graemlins/confused.gif[/img] [img]/ubbthreads/images/graemlins/confused.gif[/img] [img]/ubbthreads/images/graemlins/confused.gif[/img] He uses 222 loaded with 55gr. bt coyote does bang flop. I use 22-250 with 55gr. bt and I have three run away. [img]/ubbthreads/images/graemlins/confused.gif[/img] [img]/ubbthreads/images/graemlins/confused.gif[/img] [img]/ubbthreads/images/graemlins/mad.gif[/img]
I dont know who ever came up with the imaganary word of "Over Gunned"
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Unread 02-22-2007, 12:13 AM
Gold Member
Join Date: Oct 2006
Location: Oregon City, OR
Posts: 508
Re: 6mm or 243

I shoot the 6mm Rem and love it. I get .5moa out to 300 with 70gr NBT @ 3476fps. The factor ammo is very limited for the 6mm, reloading is a must. Quality brass is limited aswell (REM and Win). The rem brass takes alot of prep.

Both would be great choices if your not after pelts!
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Unread 02-22-2007, 02:09 AM
Silver Member
Join Date: Jun 2002
Location: middle Tennessee
Posts: 389
Re: 6mm or 243

I have a 6mm Ackley built by Darrell Holland (www.hollandguns.com) and my dad has a factory VS 6mm Rem with the barrel shortened to 22 inches (mine is 27" + break). Dad's routinely shoots 1/2 MOA, while mine averages between 1/8-1/4 MOA with its heavy varmint barrel contour. We have also had a .243 Win, but after shooting BOTH cartridges, we both seem to prefer the 6mm Rem. I prefer the 6mms longer neck. Just my $0.02. [img]/ubbthreads/images/graemlins/cool.gif[/img]
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Unread 02-22-2007, 08:45 AM
Gold Member
Join Date: May 2001
Posts: 924
Re: 6mm or 243

I am having a 6mm built - I first was thing of a 243 Win, but after looking at the loading data, and the case design, I went with the 6mm Rem - I got the Ackley Improved version. Of the two cases, the rem case is better designed with a sharper shoulder, it has more volume and is a faster round.

Spring has sprung, da' creek has riz, I wonder where dem kitties is? Here, kitty kitty kitty.

LRH member #23
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Unread 02-22-2007, 10:59 AM
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Join Date: Jun 2003
Location: Hermiston, Oregon
Posts: 2,026
Re: 6mm or 243

Your really splitting differences for a yote rifle. The 6mm is what about 100fps at the most 150fps faster then the 243? I dont think any coyote is gonna know the difference there. If you have the 243 brass and dies, I would go that route, the 243 AI is just as fast as the standard 6mm. I"ve killed quite a few with a 222 and 40/55g bullets out to 250 yards w/out any problems what so ever. You cant go wrong with either really, like I said, a coyote aint never gonna know the difference. I would think the perfect yote gun to be a 243 AI and shooting the 70-80g btip. I think that would be a tough combo to beat.

BTW- Isn't a 6mm kinda middle of the road between being a short or long action??
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Unread 02-22-2007, 11:12 AM
Gold Member
Join Date: Jan 2006
Location: Nebraska
Posts: 507
Re: 6mm or 243

As Remingtonman said the 6mm Rem is not a true short action ctg.
Lapua brass is available for the 243Win.
I would go with the 243Win.
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