I'm building one now ,it's a 300rum on a700 rem. It has a muzzel break so it fills like a 243 now ,other wise I couldn't shoot it alot.Then you will need trigger work .Then the most important and costly the scope ,I am looking to buy the night force 5.5x22 power in the 50mm lens.That should be about right for a long range hunting gun. A gun club near me just built a 800 yard range,lucky for me. The thing about long range shooting is the wind drift the lighter the bullet the more the drift ,I say 30 or 33cal.to help buck to wind .I'll post my groups at 600yds. this summer.Good post.


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