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6.5 X284 vs 300 ultra

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Unread 03-01-2011, 04:42 PM
Junior Member
Join Date: Mar 2011
Posts: 8
6.5 X284 vs 300 ultra

I am new to the board, but have been lurking in the shadows for quite sometime. Me and a buddy have been gently arguing about some of the pros and cons of each of the above rifles. I argue that properly set-up a 300 ultra can shoot as accurately as a 6.5 at a1000 yds and that the power that it brings to the table when it hits an animal trumps a 6.5 hands down. Neither of us will ever win, but just wondering if anyone had anything to help convince one or the other either way. Obviously in the end it is preference, but would love to hear some opinions.

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Unread 03-01-2011, 05:20 PM
Platinum Member
Join Date: Dec 2009
Location: NW MT
Posts: 3,042
Re: 6.5 X284 vs 300 ultra

Yes , It is prefernce, type of game, shot distance,etc. I mainly hunt elk, that is why my set up packs 1536 #'s @1450 yrds. And yes I want a 6.5 x 284 for deer and speed goats
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Unread 03-01-2011, 07:20 PM
Silver Member
Join Date: Nov 2010
Posts: 291
Re: 6.5 X284 vs 300 ultra

yeah it could shoot just as good but IMO magnums AKA boomers are just more tempermental and harder to get to shoot right.
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Unread 03-01-2011, 08:13 PM
Join Date: Mar 2004
Location: Danville, PA
Posts: 1,129
Re: 6.5 X284 vs 300 ultra

I'm familiar well with both cartridges so basing it off of my experience hunting long range for white tail deer I use 900 ft/lbs as my minimum amount of energy for my maximum effective range. A 300 Ultra Mag shooting a 208 A-Max at 3100 fps carries approximately 900 ft/lbs of energy at 1400 yards. A 6.5 - 284 shooting a 140 A-Max carries approximately 900 ft/lbs at 850 yards. I personally won't take a shot at a deer beyond 850 yards with my 6.5 - .284 as my energy at 1000 yards is only 745 ft/lbs. I do use my 6.5 - .284 for woodchucks beyond 1000 yards though but I'm not as concerned with my terminal energy with varmints. From an accuracy stand point both cartridges are very capable of being comparable in accuracy at 1000 yards, but from an energy stand point the 300 Ultra Mag has the 6.5 - .284 beat hands down.

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Unread 03-01-2011, 08:39 PM
Bronze Member
Join Date: Aug 2010
Posts: 54
Re: 6.5 X284 vs 300 ultra

The IBS 5 shot is under 1.4" and it was shot with a .30 wildcat off a shortened 338 lapua case.
If you load the 240 smk in the 300 ultra you have a better ballistic profile than the 6.5. Being able to tickle that trigger is where the little guns shine. Has less to do with the capability of the mechanical aspect and alot more to do with the loose nut behind the trigger.
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Unread 03-01-2011, 08:53 PM
Silver Member
Join Date: Jun 2009
Location: Bedford PA
Posts: 286
Re: 6.5 X284 vs 300 ultra

IF you put a brake on the 300 it would tame it down considerably. I for one have shot 30 cal's most of my life and several years ago I won the I.B.S VA State Championship in Light gun using the 240 SMK. I shot a 4.040 group for a score of 50. Three shots were in 5/8 of an inch in the center of the X. The next day I shot a 5.2" with a 49 score.
I said that to say this, if you can reduce recoil the big gun always wins. I always shot with a tight grip and stiffened body so when the gun recoiled it didn't move.
Last year I shot a 5.5" group at my house using my 6.5x284 with the 140 Bergers
My choice between the 2 is definitely the 30 cal with 240 SMK
My final authority in all matters of faith and practice is the King James Bible. It's still the monarch of books!!
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Unread 03-01-2011, 09:17 PM
Platinum Member
Join Date: Jul 2004
Location: Texas
Posts: 7,193
Re: 6.5 X284 vs 300 ultra

They are totally different cartriges and comparing them is like apples and oranges.

They are both great cartriges and the accuracy is equal at there max distance.

The 300 RUM has a large advantage at longer distances but it also has more recoil.

It is like comparing the 300 RUM to the 50 BMG at extreme ranges.

All I can say is If we started shooting at each other at 2000 yards and worked closer
I would want the 300 RUM.

Bigger is truly better at long distance but at medium distance there is not much of
an advantage.

So the argument goes on.

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