CCOP USA Steel Picatinny Rail Scope Base for FN Mauser Actions

Model: PB-MAU101
Material: Steel
Front Length(mm): 39.62
Rear Length(mm): 20.83
Front Radius(mm): 16.66
Rear Radius(mm): 13.49
Front Height(mm): 7.24
Rear Height(mm): 11.24
Screws per Unit: 4

FIts: 
FN Mauser Actions
Colt 57
Interarms Mark X
Marlin 455
Weatherby FN Actions