retumbo barnes180 ttsx and 300 ulta mag

[jwalks]

anyone have a accurate load with retumbo, barnes 180 ttsx for 300 ultra mag?thanks

 

[Reelamin]

anyone have a accurate load with retumbo, barnes 180 ttsx for 300 ultra mag?thanks

New RP Brass, Neck Sized, 98.0 Retumbo, CCI250 = 3400fps from 26" barrel. A little hot in mine...but not crazy high.

Start lower...say 96.0.

 

[Southwest Hunter]

96 gr with Fed mag primers giving me .70 groups consistently