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6.5mm 129 SST

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Unread 10-10-2010, 10:22 AM
Platinum Member
Join Date: Jul 2004
Location: OHIO
Posts: 2,417
Re: 6.5mm 129 SST

Originally Posted by Code4 View Post
Derek M. Would you care to expand ? Did they open too quickly for you or not at all. I'd appreciate your experience.

Sure. Here's a pronghorn shot with a 150 SST from a 308 at 234 yards:

This is probable blow up on impact, no penetration of the light boned scapula on a broadside shot. Just a huge flesh wound. It took additional shots at close range to kill this small animal and the final shot was with a different bullet.

I've never seen a ballistic tip do this, ever. Not even close. And I don't consider the 150 SST to be "screaming" from a 308 either.
Derek M.
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Unread 10-10-2010, 03:42 PM
Silver Member
Join Date: Oct 2008
Location: Black Hills, SD
Posts: 129
Re: 6.5mm 129 SST

I shoot 140gr A-Max exclusively from my .260AI now. They are loaded to 2,918 fps in a 1 in 9" barrel. No problems stabilizing them out to 1,200 yards at a long range rifle class this past June (4,100 ft). I used to shoot the Berger 140gr VLD but they were so picky on seating depth and too expensive. So I changed to the A-Max. I've shot 9 antelope and 6 deer with the A-Maxes and all have been one shot kills. The longest was 656 yards and the closest well under 50 yards. There is a good difference in wind drift between the 129gr SST and 140gr A-Max when both are started at their respective velocities. I've only used the 129gr SST on a couple of deer. I don't remember the specifics. They worked. There just is no advantage to the SST over the A-Max. Here's one of last weekend's antelope. 477 yards. 140gr A-Max. High shoulder shot. Dropped and didn't move. You can see the hay stack over my left shoulder where I took the shot from.


There's no bad way to kill a snake.
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