This is an air rifle scope/mount set made specially for use with high power air rifles: - Variable 4x-12x power and 40mm fine tuned parallex adjustable objective - MilDot reticle - Focus as close as 5yards down the range - Standard 1inch one-piece main tube - Eye relief: 76mm@4x-63mm@12x - Field of view: 27. 8ft-10. 5ft@100yards - Finger adjustable 1/4moa click turret screws - Internally reinforced to stand the unique shocking from piston type high power air rifle - One piece airgun mount with 4 clamping screws plus built-in removable stop pin helps scope to stay in place against powerful shocking during shooting - Integral rings for better alignment of the scope - Mount center height: 35mm - Fits onto 3/8" and 11mm dovetail rail or groove on top of the receiver - Anodized black matte finish - Overall Length: 13 3/4" Weight: 1lb 7oz.