Yup. This was at a Long Range Rifle instructor school where we had been shooting our bolt guns out to 800 yrds. When you move up to 300 it almost seems like point blank.
That Marbles sight is sweet. It took a few to get dialed in but once I did, using to smallest insert, I could easily hit 8 out 10 shots off hand. 15 clicks was it.
Tang sights are almost like cheat'n