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Need a little help,Est. FPS of a load
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<Doc in Texas>
posted
the load is 300 win.mag.

Winchester case
winchester LR primer
74.3grs. H4831SC
180gr.Hornady BTSP
Bullet BC is .452
24"barrel 1 in 10 Twist

I just need the est.FPS for a relaoding program.

Thank you in advance

Doc in Texas
 
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That is 4 gr. above max in the hornady manual. Hornady saya 70.3 @ 2700fps so I would guess that that should be arround 2900-3000fps.
 
Posts: 56 | Location: WV | Registered: 09 March 2003Reply With Quote
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Quick load gives an estimated 2865 fps out of a 26" barrel. They also predict a peak pressure of 50150 psi. This is not a max load according to Quick Load.

muck
 
Posts: 1052 | Location: Southern OHIO USA | Registered: 17 November 2001Reply With Quote
<Doc in Texas>
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Thank you both

Doc
 
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Picture of Jay Gorski
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Doc, That load is a little over in the Hodgdon book, 73 being max, I'd say your velocity is about 3025, they're using a Speer bullet, Win. case and Win. LR primer. 24" bbl. Jay
 
Posts: 1745 | Location: WI. | Registered: 19 May 2003Reply With Quote
<Doc in Texas>
posted
Thank You Jay, in theHornady book it shows it at teh max,using 74.3grs.
Thank You again

Doc in Texas
 
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