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<monz>
posted
How fast can you drive a 300 grain A-frame in a 9,3x62?
 
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<Ola>
posted
Hey Monz!
Have not got any data for the 300 gr. Swift, but V�penjournalens "Ladeboken" gives data for the 293 gr. RWS TUG. It is not far away in weight, but probably a little bit softer, giving the possibility to use a little bit more powder behind it. My experiece is that the Swift A-frame is a little bit harder than conventional bullets, which gives higher pressure with a given load for a softer bullet.

Ladeboken gives this data for the 293 gr. TUG:
Whitav. N135:
50 gr. 2136 fps/651 m/s
52 gr. 2229 fps/679 m/s

Norma 201:
50 gr. 2159 fps/ 658 m/s
53 gr. 2288 fps/ 687 m/s

Whitav. N140:
53 gr. 2235 fps/681 m/s
55 gr 2295 fps/700 m/s

Norma 202:
54 gr. 2287 fps/697 m/s
56 gr. 2337 fps/712 m/s

Carteridge-length: 85 mm
Lowest and max load shown. I take no responsibility for your reloading, but myself I would start 15-20 percent lower than the maximumloads shown with the 300 gr. Swift, and work it up.

 
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