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300WSM in a 20" barrel ??

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Unread 07-01-2006, 05:48 PM
Platinum Member
Join Date: Jul 2002
Posts: 2,855
300WSM in a 20\" barrel ??

I'm sitting here with a Short action Rem and a realy nice light weight stock contiplating what caliber it needs to be.
I was wondering what sort of velocity could be expected from a 300 WSM out of a 20" barrel with say 180gr bullets.
Also how severe would the muzsel blast be on an animal of this sort.

I'm thinking about a short light weight deer/elk gun for shooting out to 400yds

I've seen a Ruger with 16" barrel and liked the way it handled but not to sure about 16" of barrel with that much powder.

Anybody out their shoot a shorter barreled 300WSM
Si Vis Pacem Parabellum
Molon Labe
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Unread 07-02-2006, 12:16 AM
Gold Member
Join Date: Jul 2005
Location: East TX
Posts: 773
Re: 300WSM in a 20\" barrel ??

I am shooting a 22" 300 RSAUM. Yes the muzzle blast is significant. Shooting 180 gr Nosler Partition factory ammo, I was getting 2997 fps. The same load in a 26" barrel netted 3200 fps. Back to the short barrel, I went with 150s because inside of 350 yards, my max visible range, they give me the best trajectories. I only give up an inch and a little in wind inside of 350 as well. I would suspect you can get 2950 with some max loads. They may not shoot the best, but that will probably be where you top out. I have visited with a guy shooting a Ti actioned 300 WSM shooting 180 gr NBTs, but his accuracy load was 2880 fps. He was shooting just under the listed max in the Nosler manual, and it was a max load in his rifle. His rifle had a 20 or 22" barrel on it too. Hope this helps.
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Unread 07-04-2006, 06:50 PM
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Join Date: Feb 2004
Location: Pennsyltucky
Posts: 2,630
Re: 300WSM in a 20\" barrel ??

if i had a 22" saum i think i'd try the 150 triple shock'd have the same killin power of that 180 and it would work better in that short setup.

i'm in the process of building a short "handable" long range carry gun.will be under 42" with a 30" barrel and muzzle brake.hope to be shooting it by's a little different,i'll post pix if it works out.
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