4 x 20 fix power rifle scope with bulit-in dovetail ring.  This 4x20 rifle scope compatible with .22 calibur, Airgun, and crossbow with dovetail rail.

• MAGNIFICATION: 4X
• TUBE DIA.: .75
• OBJECTIVE DIA.: (MM) 20.00
• FOV: 26.2
• EYE RELIEF (in) 2.5
• EXIT PUPIL(MM) 5
• RETICLE: PLEX
• N.W(OZ.) 3.30
• LENGTH (in) 7.80
• EXTERIOR FINISH: BLACK
• RING INCLUDED: DOVETAIL RINGS (bulit-in)