Harry, this will mount to an AR with the included "Rings" that are not shown. (Features) • Multi-coated Lens • Variable Power Magnification Models Available • Quick Focus Eyepiece - • Multiple Brightness Settings - • Dual Illuminated Reticle in Red and Green - • Rings included.

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weaver style rings mount just fine on a rail (AR-15)

It mounts with the included rings Harry.

Weaver style rings included The NcSTAR Full Size 3-9x40mm Riflescope with Illuminated P4 Sniper Reticle is an excellent choice for the budget minded hunter that desires quality without it costing you an arm and a leg. This is a well made scope that is reliable and durable with clear glass and an illuminated reticle. Start taking game at distance with the NcSTAR Full Size 3-9x40mm Riflescope Illuminated P4 Sniper Reticle.
Specifications and Features:
NcSTAR Full Size 3-9x40mm Riflescope
Illuminated P4 Sniper Reticle
1" Tube
1/4 MOA Adjustment
Black
Multi-coated Lens
Quick Focus Eyepiece
Multiple Brightness Settings
Dual Illuminated Reticle in Red and Green
Rings included
Variable Power 3X - 9X Magnification
36.6'-13.6' Field of View at 100 Yards
2.8"-3.2" eye relief
13.3-4.4 Exit Pupil
12.3 oz
14.8" Length
Green Lens Coating
###### Includes Weaver Style Rings,######## and Lens Covers
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