The Accurate Reloading Forums
Re: .308 to .260

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23 August 2004, 04:56
Savage99
Re: .308 to .260
Tell us how long they are after you fire form them.

I use Remington 260 brass in my 260. I shoot a 243, 260, 7mm-08, 308 and 358 and the headstamp helps keep them straight.

If your brass comes out short the 243's are .010" longer to start.
23 August 2004, 09:55
HogWild
Either of you tried Lapua 243 brass in the 260? Wondering how the capacity compares to the other brands. I have used Rem 260 and necked down Win 7mm-08 in my 260 AI and the Win brass has a little more capacity.
23 August 2004, 18:58
fredj338
HW, I have necked up some RP .243 just to see how they work, no problems. I plan on getting some Lapua .243 to do the same, I'll let you know what the diff. in cap. is.
23 August 2004, 23:27
wallyw
I used the Lapua .243 brass for Browning LowWall in .260. Good brass. Just put some 243 Lapua through expander and dies for 250 AI.
24 August 2004, 05:08
Mark R Dobrenski
Fred-what are you using for bullets in your 260 AI, and what types of speeds are you running? Also what tube length are you running?

Thx for your time

I am thinking about ordering a M7 youth with plastic stock for my wife this week in 260, it'll be her do everything rifle from goph's to elk.

Appreciate your thougts

"GET TO THE HILL"

Dogz
24 August 2004, 09:46
fredj338
Hey Mark.

I've just started working loads up, been bbl. breaking & forming brass. So far I'm looking @ 3100fps+/120grNBT, 3350fps+/100grNBT & 2700fps+/142SMK (only 1 load so far w/ the 142SMK). These are from a 27"bbl./1-8 @ 80deg. temp. This is a target/varmint rig so I will only be shooting match & varmint bullets, no NPs or the like.

I think the .260 or .260AI is a great choice for a new hunter or ladies rifle, much better than a .243 for deer size game (JMO). I'm off to Mozambique in a week & when I get back I'll dive into the .260AI & report my findings.
24 August 2004, 11:57
Mark R Dobrenski
Thx Fred-what are you taking for a rifle or load accross the pond?

I appreciate your time

Dogz

"GTTH"
24 August 2004, 12:41
fredj338
Hey Mark, I'm one gunning it w/ my M70/.404 Jeffery. I'm using the exc. 380grNF & 400grBarnes solids @ 2200fps. I've been practicing alot w/ it on & off the bench. It's a thumper but not any worse than a 9# .375 (it weighs 10.25# scoped & loaded). Both loads will break 1" @ 100 if I'm having a good day, under 2 1/2" @ 200, about my limit w/ this rifle & 5x scope as drop is 7" @ 200 & 24" @ 300 sighted on @ 100. I don't expect to have to shoot anything farther than 200 though & the buff @ 1/4 of that. Post hunt report will definetly follow.
24 August 2004, 13:59
redial
Fred,

Are you having to process the brass other'n resizing it? Neck reaming, etc?

I too have a ton of .308 that I was considering making into .260 but have never gotten a round to it.

Thanks!

Mark
24 August 2004, 14:04
fredj338
redial, I just sized 3 cases & loaded them up. Chambering was difficult, I think the necks need a bit of turning, they are too thick in my chamber. My fireform load showed signs of pressure w/ the bullet seated in the lands. More details later(3 weeks or so).
25 August 2004, 04:48
fredj338
Savage, the fired .308 cases measure 2.020" A bit longer than the .243 or .260, but I would expect that, the brass has to go somewhere? Volumn is the culprit, the .308 cases hold a whopping 4 grains less! Obviously I'm only going this route for emergency purposes. I'll stick to .260 or reformed .243.