2nd barrel for new f open rifle 284 or 284 shehane

[pressedRat]

I am in the process of configuring a f open rifle. Primary barrel will be 6mm dasher as the club i belong to has 600yrd range and i wont being shooting further, at least to start as i would have to travel to see 1000 yds.

i would like to have a 2nd barrel built for this rifle for 1000yds. 7mm. so which should it be straight 284 or 284 shehane?

2nd question. what is the current 'go-to' for 1000yds? something in 300 mag in one form or another? I curious though I doubt i want to get heavier than 284.

thanks for any response.

 

[Keith Glasscock]

The choice depends on many things. Straight 284 is a proven winner (this year's SWN included). There are a multitude of ideas being tried even today. I see 300 short mags and 7mm short mags frequently. Those rifles don't dominate (yet) by any means.

I'm running a straight 284. It is more than enough rifle to get an HM card and win matches. I occasionally play with the idea of some super-boomer magnum wind-cheater, but the reality is that if those were that much better, the results bulletin would look like they were sorted by powder capacity and that is not the case.

As with anything in shooting, the next advancement in bullet design will drive different cartridges to the forefront.

 

[Ringostar]

A lot of the 284 shehane shooters are not loading to any higher velocity than the straight 284. I've heard several this year say that they're going back to the straight 284, and save the fire forming. Also remember that increasing bullet weight and larger case sizes, also increases recoil.

 

[craigd]

With all the excitement about the new 195 Bergers, do you guys think it will shift toward 7mm SAUMS or 280 AI cartridges with higher powder capacities? Will the straight 284 have the capacity to push the 195s fast enough? Just trying to think ahead for 1000 yd set-up.

 

[lrgoodger]

If I had it all to do over again knowing what I know now, I also would go with the straight 284. I have found absolutely no advantage to the Shehane version. I talked to Bill Shehane about it before I built mine and he said he didn't do it for the extra velocity - he did it to alleviate 'bolt click' upon ejection. I still get plenty of 'bolt click' when running too hot loads, which I quit doing because it kills the brass (and that puts your velocity back down to straight 284 levels). There is a very fine line of pressure where it would actually make a difference on bolt click, and the likelihood of your gun and load falling right in that spot are slim.

 

[dbramley]

Keith,

1st place may have been won by a straight .284 but 2nd and 3rd were taken by shehanes. The way I see it is straight 284 has plenty to drive 180gr hybrids at speeds were they like to be. Also dies are readily available. I shoot a shehane but would would consider a straight .284 a very competitive round. Also these two rounds are great for 600 yards when the wind comes up even slightly and dashers start to wonder.

Dan

 

[Keith Glasscock]

Keith,

1st place may have been won by a straight .284 but 2nd and 3rd were taken by shehanes. The way I see it is straight 284 has plenty to drive 180gr hybrids at speeds were they like to be. Also dies are readily available. I shoot a shehane but would would consider a straight .284 a very competitive round. Also these two rounds are great for 600 yards when the wind comes up even slightly and dashers start to wonder.

Dan

I agree with you completely.

I have absolutely nothing against the Shehane or Walker versions. I think you would have placed in the same spot had you been shooting a straight 284. Those critical wind calls are what makes the difference. They say it isn't the arrow.

I am just finishing off a straight 284 barrel that easily made Shehane velocities with H4831SC. I just didn't like how it shot - seemed temperamental at those speeds. I slowed it down to the tried and true straight 284 load and have been happily moving my skills up the ladder ever since.

I don't think I would suggest a magnum for anyone just starting out in F-Open. I did things pretty backward (heavy bullets, insane loadings) when I started F-TR and have paid for it. I'm just now, 5 years later, starting to learn how to see the wind. The little dasher is teaching me.

 

[JarheadAZ]

So how does the .280 Rem stand up at 1000yd, and has anyone tried the New Nosler 150gr Accubond Long Range with its published MV in the 2800-2880rfps range and a .611 published BC in the chambering?

I think this bullet could be competitive at a slower node than this, and might also hold out a potential for less bore abuse.

While I recognize this is nominally a long action chambering, I have always shot LR singly loaded. I have determined that a fired .280 will extract and eject from a Savage short action, while an unfired one will not

In my experience, this latter condition isn't all that common, and can still be accommodated by tripping the bolt release and withdrawing the bolt slightly further.

Nosler notes that the .280 Rem is one of their chamberings used for bullet development in 7mm.

Greg