Ok this is a dumb question? Reading "how to measure for rings" Glen Seekins says you need the barrel contour? So I have a R700 SPS Varmint, which contour do I have? I just know it as a bull barrel?
A Vortex Viper PST 50mm is going on it.
Once again thank you for your help!!
A Vortex Viper PST 50mm is going on it.
Once again thank you for your help!!