action advice for new 1000 yd light gun build

[bighorn06]

This will be an experimental platform and hopefully an extensive learning build. the requirements are dual port, 308 bolt face, and the smoothest cycling available. First caliber choice to work with will be a straight 284, adding a 6.5 barrel later and maybe a 6mm to the mix. As I see it my choices for availability are Bat model B, Bat 3L, and Borden Rimrock Br. I will soon have a 6 Dasher to work with and have been extensively using the 7 SAUM in both LG and HG. Your knowledge and advice would be appreciated, since I got into this game late and time is short. Thanks for your input, Mike

 

[bdale]

I have a Bat Model B and love it has a 3 inch port and i use it on a straight 6BR. got the 3 inch port if i decided to go with something longer later on down the road when barrel is shot out.