Home Forums Hunting & Shooting Hunting Rifles MRC Exclusive Group Buy input....

1 - 7-08
2 - 1-8 twist
3 - 22" barrel - in a good "featherweight" type profile
4 - green stock - or webbed - or "wood looking"
5 - no flutes
6 - engraved with 24HR on the bottom to denote it's a campfire special rifle.

This^^

22" no flutes
308
gray
open sights
Whittaker "Campfire Special"

This^^ +1

Time frame? Lookin more and more like I'll be able to get in.

Although I didn't mention my in my first post, like others have said, it would be nice to have it properly throated so that it's not hard to reach the lands with several bullets in that long magazine. Especially since factory 308's have so much freebore.


Dave.

Could someone explain why everyone wants an 8 twist in a 7-08? Mine have 9.25 and will shoot 175s. Are you guys all shooting something heavier than 175s?

Left hand 260
24 inch fluted
Engraved on floor plate
Black stock

Thanks for posting this, I like to shoot 110s to 160s in my 7-08 and the wife's 7-08ai. 9.5 or 9.25 works great for that range. 8 twist would probably make me have to pass on this.

What problem do you think the 8 twist would have with 110's and 160's? Better yet, what problem do you KNOW you'd have with a 1~8 over the 1~9?

Going SLOWER than your 9.5, that I can see but faster has no downside in your case.

Some might claim that faster twist = slower velocity but Brian Litz found that the difference between 1-8 and 1-12 in a 308 is all of about 5 fps. Going 1-8 after being 1-9.5 isn't going to be even that much. It's going to be about 1.33 fps per inch of twist.

Thanks for your reply. I do understand that there is relatively no downside, but I assume there must be an upside since nearly everyone is asking for 1:8. So that's my question and it's still out there unanswered- why 8. And "why not?" isn't the answer I am looking for. Thanks.

The longer monometal & heavy for caliber high BC bullets need a faster twist

teal,

Exactly! Bryan Litz has also found that BC goes up when a bullet is highly stabilized, as does LR accuracy, and he shot and won an FT-R match with a .308 Win 9" twist barrel and 215 Hybrid bullets- a faster-than-common twist for that chambering, which illustrates the point.

Hornady recommends a minimum 8" twist for their 162gr A-Max
Sierra recommends at least 8.5" twist for the 175gr MK and 8" for the 180gr MK
Barnes recommends 9" OR FASTER for the 168gr LRX
Berger's twist calculator shows a 9" twist as being marginal for the 180 VLD at sea level and 32 degF. It shows 8" as stabilizing that bullet in those conditions ideally.
Note that none of the manufacturers use words like "at most", "or slower", or "maximum" regarding their twist rate recommendations.

The MRC mag allows long bullets seated out of the powder column, and if the barrel is throated and twisted accordingly, there's no bullet it won't shoot and nothing it won't do.

An 8" twist will stack the 110gr bullets as well as the 180 VLD. A 9" will stack the 110's, and will marginally stabilize the 180's. Where's the downside to the 8" twist?

We usually have to suffer twist concessions with production rifles. Why not choose correctly from the get-go if a manufacturer is giving us the opportunity to choose?

Great answers, information rich. Thanks, I am sold on 8.

Pretty much this is what I wanted to say.

My post was more about why you would have to pass on a 1-8 twisted rifle.

Peator,

Why 8"? Because 8" will highly stabilize any 7mm bullet available. With a 9" twist there are some bullets and environmental conditions where stability would be less than ideal.

And as per our PMs SA how 'bout just a short action stand alone for $400 or less ???

This^^^

6 pounds, 14 ounces.

0.600" at the muzzle, on a 22" barrel.

Just checking in... where are we on this? Been offline for a few days. Thanks.