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6.5-06 vs. 6.5-284

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Unread 02-01-2007, 03:07 PM
Silver Member
Join Date: Jan 2007
Location: Great Falls, MT
Posts: 205
6.5-06 vs. 6.5-284

I have a pre-64 winchester -06 action and I am in the "dreaming" stage of planning what to do with it. I like the 6.5mm bullet and I think an easy wildcat on that bullet would be great. I've always figured a 6.5-06 would be a great idea but I sure do see a LOT MORE of 6.5-284s out there.

What are the pros and cons of these two cartridges (or any others in that class). Thanks in advance for all of the great inputs I know I will get.
Genises 27-3: Now therefore take, I pray thee, thy weapons, thy quiver and thy bow, and go out to the field, and take me some venison...
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Unread 02-01-2007, 04:10 PM
Gold Member
Join Date: Dec 2002
Location: mathias wv
Posts: 987
Re: 6.5-06 vs. 6.5-284

when I was planning on a 6.5 I decided on a 6.5 Gibbs, it'll shoot with a 264 winny with less powder and its still a wildcat, thats what I was looking for. That and the fact it'll mirror the trajectory of my 7mm Allen mag to 800 yds.
I'm just starting load developement and I've easily achieved 3200 fps with a 140 gr bullet. just a bit more work to fireform than the 6.5/06, but you get 3-4 grains more powder capacity. the 6.5-284 is an awesome round but seems like every wildcat I ever get becomes legitamised, the gibbs has been a wildcat since the 50's and will most likely stay that way.
pic is L to R of a 6.5 gibbs which split at the shoulder during full power fireforming, a 270 win, a 6.5/06 (essentialy, a 270 necked to 6.5 in preparation of fireforming to 6.5 gibbs) a 139 gr lapua scenar, a loaded 270 win cartridgebeside a 6.5 gibbs

The finished rifle

Born to Hunt, Forced to Work!
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Unread 02-01-2007, 07:41 PM
Junior Member
Join Date: Jan 2006
Posts: 8
Re: 6.5-06 vs. 6.5-284

I built a 6.5 -06 on a mauser 98 action VZ 24 last year.I did a little research on the 6.5 -284 and the 6.5 -06 for ballistics purposes. I found the 6.5-06 is pretty close to 6.5 -284 in ballistics. Also reading in the new Hornady reloading book and Nosler 's reloading book , its very easy to use a 25 -06 case to run thru a full length sizing die in 6.5 -06 to form the 6.5-06 case. My barrel length is 26 inches , 1 and 9 twist. This rifle is very accurate that at three hundred yards , I can place all my shots in the palm of my hand .The 25- 06 case is the way to go because after you resized it , you just have to load it. No trimming .
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Unread 02-01-2007, 11:29 PM
Bronze Member
Join Date: Sep 2006
Location: Hamilton, New Zealand
Posts: 40
Re: 6.5-06 vs. 6.5-284

Nice rifle and pictures James.

Colby, My experience is only with the 6.5-284. The advantages I see is that brass (excellent from either Norma or Lapua) and dies from everyone are all ready to go. No fire forming required. It is easy to load, it was the first cartridge I hand-loading. Performace is very good. With a 30 inch barrel shooting 139g Scenars I easily achieve 3050 fps and can go a little higher (3150fps is achievable with moly). Stick to the Lapua brass if you are going to run it hot though. Mine works well with ADI AR2209 (H4350) requiring (unusually) only 47-48 grains to reach 3000 fps levels. I stopped using Vihtavuori N560 due to bad combustion-zone erosion it was giving me (others have seen this too).

I see that Swift now do their Sirocco in 130grain in 6.5 mm (claimed BC 0.57). Looks to be an interesting bullet.

Good luck with your project!

F-Class rig in 6.5-284.

Glen H - New Zealand
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Unread 02-01-2007, 11:40 PM
Bronze Member
Join Date: Jan 2007
Posts: 48
Re: 6.5-06 vs. 6.5-284

I have a 6.5-06 on a 98 Mauser. It is a dream to load. It is not my long range shooter. I shoot 120gr. Sierra PH with 57.5 grs. of H4831. Groups 1/2 moa at 100 and 200. Very pleasant to shoot and smokes the deer and hogs.
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Unread 02-02-2007, 12:14 PM
Bronze Member
Join Date: Mar 2003
Location: Idaho
Posts: 68
Re: 6.5-06 vs. 6.5-284

Like James Staggs I also have a 6.5 Gibbs. As he mentioned it is a little more work in the case forming area, (I use .270 Win Brass) but well worth the effort. I have a 28" 1-8" twist barrel and it will easily surpass 3200fps. It is also a hammer on game. After approximatley 2800 rounds it is time to shop for a new barrel. Great investment in my opinion. This round is not the norm but it does get the job done in convincing fashion. I have other rifles but after 10 years I cannot imagine not having a 6.5 Gibbs. If not a Gibbs then the 6.5-284 is great. But rather than a 6.5-06(standard) try the 6.5-06 Ackley Improved. Not perfect choices but then if they were perfect they would have "Gibbs" on the end.
I tend to be slightly prejudiced in my choice of 6.5mm cartridges.
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Unread 02-10-2007, 03:02 PM
Junior Member
Join Date: Jan 2007
Posts: 25
Re: 6.5-06 vs. 6.5-284

James- how would you compare the 6.5gibbs to a 6.5-06 ackley improved?
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