Weaver Winchester XPR Short Action Multi Slot Base Matte Blister. These Riflescope Mounts & Bases made by Weaver incorporate a locking system to ensure your scope stays in place even when you're slugging it with heavy caliber ammo. The Weaver Winchester XPR Multi-Slot Rifle Scope Base also has an extended length to accommodate for long and short eye relief glasses. Expand your sight line and potentially acquire a new one by picking up this Weaver Winchester XPR Multi Slot Xprience Performance Base. Specifications for Weaver Winchester XPR Multi Slot Base Rifle Rail Mount: Manufacturer: Weaver Color: Black Finish: Matte Fabric/Material: Aluminum Gun Make: Winchester Gun Model: Winchester XPR Gun Type: Rifle Features of Weaver Winchester XPR Multi Slot Base Lightweight Aluminum Construction One-piece Multi-Slot Design Cross-Lock Design Package Contents: Weaver Winchester XPR Multi Slot Base Weaver 48316: Winchester XPR Short Action Multi Slot Base Matte Blister