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fgold767
Total Likes: 1
Original Post (Thread Starter)
#17138142 04/06/2022 8:08 PM
by Puddle
Puddle
Have a box of Swift's A-Frame 9.3x62mm factory ammo that I finally got around to capturing some MVs.

Their website says figure on a MV of ~2,400 fps from a 12-twist, 24" barrel. Mine is a 10-twist, 24" barrel.

Cool, I'm thinking I can expect MVs of somewhere's around ~2,350 - ~2,400 fps.

Nope. After first "warming up" the barrel firing 2 handloads (it was 39 degrees out), the 1st A-Frame round: 2,300, and the 2nd A-Frame round: 2,310. I stopped after that.

Either I have a seriously "slow" barrel, or Swift needs to update their website ammo specs page.

I pinged Swift to find out what gives...
Liked Replies
by las
las
So you believe in the "news" just as presented? By anyone.

Well, advertised MV does matter for prying money out of the pockets of those who over think it. Advertising always puts a rosy light on the stuff being sold. Expect and allow for it, unless it's too egregious. No one sells stuff by understatement. Usually. It's nice if approaches accuracy tho. As noted, they likely changed something and not the web site. Enough feedback and they probably will.

Plus, are you using the same barrel, throat, twist (not, from your post), etc. they are, under the same conditions?

Or you can load your own for your desired velocity in your rifle, under your conditions. Personally, I load for best (or acceptable, at least) accuracy with the components I am using, at the time I load. I don't own a chronograph, and have never used one. It would be an interesting data point, but that's about it for my use.


One of my scopes says "1 click =1/4" at 100, but in practice, 3 clicks equal an inch at 100. But it is repeatable......I can live with that.

Trust but verify/adapt for your own use?

Sometimes "good enough" is just that. Good luck with your quest.
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