One year I was hung up on the then new Remington "Short Action Ultra Mags" . So that year the first deer I killed was a small 8 pointer with the 260 REM in a stainless synthetic Remington Model 7 , at the crack of the gun the deer hit the ground . Maybe a week or so after that i used a stainless synthetic Model 7 in 300 SAUM to shoot a pair of 6 pointers that morning and like the 8 point these were both boom flop .
So my thought was just how quick can they hit the ground DEAD RIGHT THERE . Now we all know very well that no gun is gonna make ALL it's shots boom flop dead right there .
My own personal assesment of the 6.5x55 and 7x57 is that I like them both . At the moment I only own one 6.5x55 and thats a military mauser . For a 7x57 I don't own a bolt gun at the moment but rather 2 drillings and a combination gun all chambered for 7x57R . In the past I've owned a pair of Ruger 77R's in 7x57 as well as a Kimber 89BGR Super American . And they all shot very nicely . Typically I loaded the 7x57 bolt guns with the Nosler 140 Solid Base or later the Nosler 140 BT . The 6.5x55's I've owned have been loaded with the Hornady 129 SST and the Hornady 140 SST with very good results on paper .
I am certainly thinking two of the next guns I want to add to my accumulation would be a Ruger #1A in a 7x57 and a 6.5x55 either in a Ruger #1A or a CZ550 FS .