Bushnell Rimfire Rifle Scope 4-12x40mm BM350 BDC Reticle, Black- 614124B Black 4-12x40 banner Riflescope/multi-x reticle, second focal plane 1 inch main tube diameter/1/4 MOA per click correction 60 MOA windage and elevation/nitrogen-filled, water and Fogproof Anodized aluminum housing/ddb multicoated optics BDC turret for 17WSM round/fast-focus Eyepiece