MTC Connect SL 3-12 x 24
Mag 10x PX 22ish give crystal 13-30 on crosshair. Less than 13 and more than 30 I use the level of blur to range find with varying levels of success......
If you can't fix it with a big hammer, your hammer aint big enough....
Air Arms S200 Tench Reg, Tilly's Custom Stock, MTC 3-12x24