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338 250gr Sierra SBT

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Unread 10-29-2011, 10:55 PM
Platinum Member
Join Date: Apr 2005
Location: Alaska
Posts: 4,895
Re: 338 250gr Sierra SBT

I've shot a couple of bull moose with the .338 Sierra 250 gr SBT at ranges between 120-250 yds. I was using the .338 Win Mag and they worked fine in that cartridge. I recall the lead core slid completely forward and separated from the jacket on one moose, but the cylindrical piece of lead was still very substantial in length and penetrated sufficiently well. I may have even shot more than 2 moose. Don't recall any bears, but it's possible I killed my first Alaskan black bear with this bullet also. I recall no bad experiences with this bullet. The most notable observation was the jacket separating from the lead core on that one recovered bullet. Which is not ideal by any means. It's not the bullet I would select specifically for Alaskan brown or grizzly bear. But I think it would work OK.

I used these for moose hunting from about 25 to 30 years ago here in Alaska. I have no idea if these Sierra bullets are manufactured identically today as they were back then.
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Unread 11-17-2016, 02:13 PM
Gold Member
Join Date: Feb 2010
Location: North Pole
Posts: 619
Re: 338 250gr Sierra SBT

The 250 SBT has a tad harder core than other Sierra bullets. I have had experience with the 250 SBT in the 338 Win Mag. At short range with vel high sheds a lot of weight.......but as the range gets longer it tends to shed less due to lower vel. Accuracy is also excellent.

In my 338 Rum had best accuracy with RL 25 around 3000 FPS. Suggest only use the 250 SBT bullet if long range is the norm.
Expansion is not controlled so meat damage is greater........:(

For my Alaska hunting mainly moose I use the Swift A Frame 225gr and 230gr Fail Safe and Reloder 22.
I have used 225 and 250 Nosler Part. with great success . I noticed in my custom Rem 700 it prefers flat based bullets.

I suggest the 338 RUM needs a bonded tough bullet.......it's a beast of a round.
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