7 PRC and 300 PRC

ejg · Mar 30, 2026

25 Sharps said:
The energy difference at 300 yards is quite minimal, 2429 vs 2679 ft lb, so the smaller, more efficient cartridge is carrying more energy at 300 than many deer cartridges at the muzzle.

Wrong, look again. According to the Hornady website the difference is 565 ft/lb.

edi

John Gryphon · Mar 30, 2026

Edinburgh Rifles said:
All of it!
over 3000 with 180s

Like a .300 Win Mag.

25 Sharps · Mar 30, 2026

ejg said:
Wrong, look again. According to the Hornady website the difference is 565 ft/lb.

edi

Doh. Picked up the velocity figure!
180 gr 7 PRC

162 gr .280AI

The .280 is still carrying as much as many deer calibres at the muzzle though, more than enough for anything in the UK. All that extra energy from the PRC is going into the backstop.

Penyard · Mar 30, 2026

I guess this all very much depends on the intended usage. My 7mm PRC is a double duty rifle with a chassis for range work and a PSE Evolution for hunting which will mostly be in Africa. I will be glad of all of the energy when shooting larger plains game at longer distances than would be convention in the UK. I will not need or desire that energy for deer stalking at home but do intend to use it for wild boar at home and possibly tricky fallow in big open fields.

Edinburgh Rifles · Mar 30, 2026

John Gryphon said:
Like a .300 Win Mag.

But with significantly less powder and a better BC in a 7mm
78gr to get that out of a 300wm
We are getting that with 58gr of powder!!

thats a huge difference

John Gryphon · Mar 30, 2026

Edinburgh Rifles said:
But with significantly less powder and a better BC in a 7mm
78gr to get that out of a 300wm
We are getting that with 58gr of powder!!

thats a huge difference

Understood.

7 PRC and 300 PRC

ejg

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John Gryphon

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25 Sharps

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Penyard

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Edinburgh Rifles

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John Gryphon

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