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Old September 23, 2012, 08:08 AM   #1
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Join Date: February 5, 2008
Location: DeLand, FL
Posts: 110
.264 Winchester Magnum or 6.5-06 A-Square

I'm in the process of building a custom long action rifle for open f class.

Initially I was going with a .300 Winchester Magnum but without a muzzle brake I do not enjoy shooting it much and brakes are not allowed in NRA high power rifle competitions.

So I decided to go with a 6.5mm as their 140 grain has an incredible ballistic coefficient in par with a .300 200 grain or a 7mm 180 grain but with much less kick.

As I'm set on a long Winchester 70 style action I narrowed down my choice to the .264 Winchester Magnum or the 6.5-06 A-Square both very odd cartridges.

The Magnum brass is 64mm long and has a 13.1mm base diameter, the -06 is 63.3mm long with a diameter of 11.9. The rifle will have a 32" barrel so velocity is going to be very high for both.

Brass availability is very scarce for the -06 but one can easily use a 25-06 case.

Having had zero experienced with both, I was wondering from a stand-point of a reloader which will make more sense.
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