AIM Sports Inc Picatinny Base 30mm Scopes Adaptor/Adjustable Black Small Black Small. The AIM Sports 30mm Scope Adaptor / Picatinny Base includes two lengths of Picatinny rail - a 2.25" and a 1.75" - made of anodized aircraft-grade aluminum. Specifications for AIM Sports Inc Picatinny Base Scopes Adaptor/Adjustable: Manufacturer: AIM Sports Inc Color: Black Finish: Anodized Fabric/Material: Aluminium Condition: New Gun Rail: Picatinny Features of AIM Sports Inc Picatinny Base Scopes Adaptor/Adjustable Accepts all standard Weaver / Picatinny 1913 accessories 2 Adjustable accessory rails 1.75" / 2.25" Package Contents: AIM Sports Inc Picatinny Base Scopes Adaptor/Adjustable AIM Sports Inc MT048: Picatinny Base 30mm Scopes Adaptor/Adjustable Black Small MT048 Black Small