Really depends on the bullets you are using. If your using a factory rifle with the standard 1-10 twist you are limited to bullets up to 120 gr. There have been some factory rifles that have shot the 125 and 130 gr Wildcat Bullets well also, there have also been many that have not handled these heavier bullets accurately so its a try and see type of deal.
Definately worth the time to try them because if they shoot well, they are a big improvement over the conventional bullets in 25 cal.
If your talking about a custom rifle, you can get a 1-8 or even 1-7 twist and shoot some serious long range bullets such as the 142 gr ULD RBBT(7 or 8 twist) or the huge 156 gr ULD RBBT(7 twist) in the 25-06.
Personally, I feel the 156 gr bullet is to large for the 25-06 for anything but paper punching as it is a stout bullet designed to handle the impact stresses of much larger rounds like the STW and specifically the 257 Allen Mag where it is driven to 3300 fps.
In the 25-06 and a fast twist barrel, the 142 gr ULD RBBTs would be an impressive conbination. Offering everything the 142 gr class match bullets in 6.5mm would in a 6.5-284 or 6.5-06 chambering.
Really turns the 25-06 into a true long range cartridge easily capable of taking deer out to 700 meters with a well placed shot.
Its really a round with two very different personalities. In a factory rifle I would say that 700 meters is pushing the usifullness of this great round. In a custom fast twist barrel it is a totally different story.
Allen Precision Shooting
Home of the Allen Magnum, Allen Xpress and Allen Tactical Wildcats and the Painkiller Muzzle brakes.
AS of right now my factory savage 25-06 is shooting the 125gr ULD RBBT Wildcats nicely. THey are averaging 3100fps with Rel22. I have not gotten to try these out past 500yds much but that will change within about 3 weeks and a trip to pdog town. After this I should have a good guess at the real BC of them also.
I also tried the 115 Bergers and they shot well also
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My personal comfort level in the way of energy would be 500 yards or a little more with a stout load with a 120 Nosler Part. or a good 117-120 Gr. bullet. As far as fast twist barrels is concerned, I agree with Kirby that you are then
in a different power level with the bullets you could then
I don't know what barrel you have, but if you have a 24" or
better yet a 26", you may look at having your gun "Ackley
Improved". I have sure not regreted doing this & with the
125Wildcat I get 3,250FPS with .25-.30" accuracy. I feel
this puts me in the 600 yard or more bracket for Deer sized
Game & for Varmits, as far as I can hit them!
You will not make peace with the Blue Coats, you are free to go.
Thanks guy's, I have a spare savage accu trigger receiver I want to build another rifle on and I do not have any 25 calibers so I thought this would be a good one, just ordered a Stainless 26 inch heavy barrel in 25-06 for it.
I've had a 26 inch 270 win for years. Great gun! If your really talking 700 meters and your buying a barrel. My advice is don't stop at 26 inch. It doesn't cost anymore for 28, 29, 30 inch finished. The gain in FPS might not be great in per in inches over 26. But the ability hold on target before and after the shot is so much better
Also like 50 said get the correct twist for heavy bullets.
My .277 Ackley Improved with a 29 inch target barrel is a cannon compared to a standard 270 win. The Allen mag's are the Ultra mags of them all.
.270 Ackley improved 29 inch 1.250 dia. target barrel 7mm STW 28 inch 1.250 target barrel. I also love my .458 mag for varmints and the biggest game in the world.