Best Performer .260 rem or 6.5x55 SE?

[SakerFalcon]

After reading up on these two cartridges i am a bit confused.
As a result i now have a few questions about the .260 rem and the 6.5x55 SE, which i hope someone in here with more knowledge than me can answer.

1.) Which has the better FPS / Trajectory?
(The .260 rem is seated in a necked down "7.62x51" casing whereas the 6.5 SE is in a "55" casing. Shouldnt the longer 6.5x55 SE have the most room for gunpowder?).

2.) What are the pros and cons of the 6.5x55 SE and the .260 REM when compared to each other?

3.) What Barrel length is best suited for either cartridge?


I am considering using these in a long range target rifle for targets up to 1200yards.


Rifle: Tikka T3 Super Varmint 24" (considering swapping to a 26" Krieger Barrel).
Chassis: GRS Long Range
Scope: Schmidt & Bender PMII 4-16x50

 

[Jefferson]

Please re-read the rules for this forum and re-post on a different area of this site, and welcome if you follow the rules Jeff

 

[Plugger]

best performer

Please re-read the rules for this forum and re-post on a different area of this site, and welcome if you follow the rules Jeff

I have a 6.5 x 57 with a 30 degree shoulder that I really like. You can make it from either 257 Roberts or 7x57 brass. Velocity is right there with the 6.5x284 with less powder.

 

[bill larson]

6.5x55

I`ve shot the 6.5x55 quite abit.....in competition and play.....long range and metallic silhouette...for target shooting....30"+ barrels......you can push 142SMK/139 Scenars to 3000ft/sec with lapua brass dependant on barrel.
have`nt worked with the .260.....
bill larson

 

[SGJennings]

So, what kind of target are you shooting at 1200 yards with a 16 power scope?

 

[alinwa]

I think a lot of Meryl Streep's work

 

[Flouncer]

Wow

Way to go guys.

No one even got close to his question. One exception. Read the rules. Thanks mister. )chill( That's one reason there are 25 viewers here, and hundreds in a similar forum page on other boards. Hope you can sit back all smug and righteous enjoy your superiority complex.

 

[alinwa]

Way to go guys.

No one even got close to his question. One exception. Read the rules. Thanks mister. )chill( That's one reason there are 25 viewers here, and hundreds in a similar forum page on other boards. Hope you can sit back all smug and righteous enjoy your superiority complex.

evidently it's working

 

[Flouncer]

6.5x55

2011 - James Lorenz - 1,000 yards

http://www.wv1000yd.com/Match_Results_2011.html

7/8ths of the way down the pages, Light Gun Match 4. That's a 2.64-inch group. Per the LG Equip list further down, 6.5x55, BAT, Douglas, Sierra, 4350