Best short barreled elk caliber

[Gadjet]

I’ve been thinking about building an elk hunting gun that has something around an 18 inch threaded barrel for a suppressor. I already have an extra Tikka 300 Win Mag that I would like to start the build from. I can’t see myself shooting at anything beyond 6-700 yards. I was thinking about going with either a 7PRC or maybe a 280 AI. I also want to keep the bare gun down around 6 pounds if possible. I would just shorten the 300 , but that’s a lot of powder to burn in such a short barrel. Just thought I would post this and see what kind of other suggestions anyone might have.
Thanks

 

[grfox92]

I’ve been thinking about building an elk hunting gun that has something around an 18 inch threaded barrel for a suppressor. I already have an extra Tikka 300 Win Mag that I would like to start the build from. I can’t see myself shooting at anything beyond 6-700 yards. I was thinking about going with either a 7PRC or maybe a 280 AI. I also want to keep the bare gun down around 6 pounds if possible. I would just shorten the 300 , but that’s a lot of powder to burn in such a short barrel. Just thought I would post this and see what kind of other suggestions anyone might have.
Thanks

7 SAUM if you can find brass.

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[TN2shot07]

Why not just 300 wsm? The 7 prc would be fine if you’re wanting to step down

 

[Caseknife]

338 Federal, might be pushing it for 6-700 yd shots though.

 

[ScreamingPotato]

This is Rokslide, the answer is obviously 6.5CM if you're doing it right.

 

[Axlrod]

This is Rokslide, the answer is obviously 6.5CM 22UM or 6UM if you're doing it right.

Fixed it for ya

 

[Huckleberry Hound]

This is Rokslide, the answer is obviously 6.5CM 223 if you're doing it right.

Ftfy

 

[Huckleberry Hound]

Fixed it for ya

You damn faster typer you

 

[TaperPin]

This barrel just showed up today for elk

 

[Gadjet]

Why not just 300 wsm? The 7 prc would be fine if you’re wanting to step down

I thought about that but wasn’t sure if I’m going to short on the barrel for that caliber.

 

[Gadjet]

This is Rokslide, the answer is obviously 6.5CM if you're doing it right.

I knew this would happen

 

[Gadjet]

This barrel just showed up today for elk View attachment 667692

What length are you going with?

 

[TaperPin]

What length are you going with?

I’m not shooting a can, but was thinking something short like 20”. With modern powders there must be some options that burn quickly yet produce good velocity, but the barrel was somewhat unexpected so I’m still sorting out where to start with bullets and powders.

 

[HandgunHTR]

I thought about that but wasn’t sure if I’m going to short on the barrel for that caliber.

I have a 21.5" 300WM, a 20" WSM will be fine.

 

[z987k]

I’ve been thinking about building an elk hunting gun that has something around an 18 inch threaded barrel for a suppressor. I already have an extra Tikka 300 Win Mag that I would like to start the build from. I can’t see myself shooting at anything beyond 6-700 yards. I was thinking about going with either a 7PRC or maybe a 280 AI. I also want to keep the bare gun down around 6 pounds if possible. I would just shorten the 300 , but that’s a lot of powder to burn in such a short barrel. Just thought I would post this and see what kind of other suggestions anyone might have.
Thanks

You're putting too many competing things against each other. 6-700 yards needs a good bit of velocity and a heavy high BC bullet. A short barrel reduces velocity. If you knock that down to 500 yards you can more realistically get it done with a 18in 6lb rifle.
That all said, the ultimate short barrel cartridge is 277 fury.

 

[z987k]

338 Federal, might be pushing it for 6-700 yd shots though.

I'm a fan of that cartridge, but long range it is not. 300 maybe.

 

[lintond]

I have a 22” 300 WM pushing 215 Berger @ 2875


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[archp625]

.300 WSM. But really a .308 Win.

 

[madcalfe]

18" 300wsm should get you around 2875-2900fps with 180grs bullets
my 20" 300wsm is pushing 178gr eldx at 2920fps with 64.5gr H4350.

 

[Sadler]

18” 6.5 PRC +P shooting 147s at 2900 FPS
18” 6 creeds shooting factory 108s at 2700 FPS
18” 223 AI is shooting 77 TMKs at 2900 FPS