USED Evolution Gun Works Montana Rifle 1999 Picatinny Rail Scope Mount Short Action 0 MOA 47400. The Evolution Gun Works scope mount works with Short Action receivers. The EGW Montana 1999 Picatinny Tactical Scope Base comes in 0 and 20 MOA options for short and long-distance shooting. Evolution Gun Works manufactures the EGW Montana 1999 Tactical Picatinny Scope Mount to the Picatinny rail specification to accept both Picatinny and Weaver scope rings. This Rifle Scope base is one of many Rifle Scope Mounts Rings and Bases available through our extensive online store. Specifications for Evolution Gun Works Picatinny Scope Mount Montana Rifle 1999: Fits Guns: Montana Rifle Company Model M1999 Middle Spread: 3.658" MOA (Minute of Arc) 47400: Short Action 20 MOA 47402: Short Action 0 MOA 47500: Long Action 0 MOA 47502: Long Action 20 MOA Features of Evolution Gun Works Picatinny Scope Mount Montana Rifle 1999: Fits Weaver scope rings Picatinny scope rings Anodized matte black finish Package Contents: Evolution Gun Works Picatinny Scope Mount Montana Rifle 1999 Package Contents EGW Montana 1999 Picatinny Rifle Scope Mount: Evolution Gun Works Montana 1999 Tactical Picatinny Scope Base EGW Montana Rifle Picatinny Rail Scope Mount Short Action 0 MOA 47400