M47 SNIPER | Finish GUNMETAL MILLED | size desc 20X7 | lug count 4.0 | bolt pattern metric 4X137 | bolt pattern standard 4X137 | offset 10 | backspacing 4.39 | centerbore 96.0 | load rating metric 566.0 | load rating standard 1250.0 | division 20 | barrel config R | shipping weight 33.3 | box label desc GNMTL-MILL | finish warranty ONE YEAR | structural warranty LIFETIME | rivet part no NONE | lip depth 1.83 | construction type Cast Aluminum | bolt pattern mm12476 137