NcStar Gen 2 DP Red Dot Optic Pro Arms One piece 30 mm scope

One piece 30 mm scope body

The ATPRO design is based on the latest generation of Maxx hopups (M4A/M4P)

Double the fun of blasting bad guys with your Elite Force 1911 when you've got it loaded with a 27-round extended magazine

The normal operating pressure for green gas is roughly 120 psi depending on the temperature

but with different dimensions

NcStar Gen 2 DP Red Dot Optic Pro Arms One piece 30 mm scopeGeneration 2 of the DP Series of Red Dot Reflex Optic with an Aluminum Body LED (Light Emitting Diode) 100% Safe for the Eyes Unlimited Eye Relief for flexible mounting 24. 0 X 34. 0 mm Objective Lens Standard On Off Switch Integrated Mount that is compatible with Weaver Picatinny MIL_STD 1913 type rails Uses CR2032 Battery (included) Anodized Aluminum Construction