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XM2010


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I looked into a 300WM when trying to decide on a long range rifle build. When I started comparing ballistics and such I kept coming back to the 260/6.5mm caliber. I ended up with a 260AI that can shoot as far as a 300WM but do it in a short action burning less powder. It takes a 200gr + bullet to equal the BC of the 139-140gr 260 bullets in BC. It takes a 300WM to push a pill that big to velocities that I can get with my 260AI. It was a no brainer for me.

 

I think the military is just stuck on the 30 caliber round. They should consider changing everything to a 6.5mm IMHO.

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[quote name="fstbk65" post="1163051" timestamp="1403855034"]I looked into a 300WM when trying to decide on a long range rifle build. When I started comparing ballistics and such I kept coming back to the 260/6.5mm caliber. I ended up with a 260AI that can shoot as far as a 300WM but do it in a short action burning less powder. It takes a 200gr + bullet to equal the BC of the 139-140gr 260 bullets in BC. It takes a 300WM to push a pill that big to velocities that I can get with my 260AI. It was a no brainer for me. I think the military is just stuck on the 30 caliber round. They should consider changing everything to a 6.5mm IMHO.[/quote] They actually were testing .260 variants but brass wanted .30 cal for a reason I can't recall right now.
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