GUN SHOP NEAR ME NO FURTHER A MYSTERY

I’m in a little city 40min South of Denver, CO. I joined typically to find out more information on my father’s 1959 Model 70 .three hundred H&H Magnum. I don’t hunt, so I’ve only taken it target shooting so far.I however have not experienced it towards the range. This is without a doubt on my short term to try and do list. It's a Lyman peep