List all Sets with barrel length "520 (mm)"

#     Owner     Manufacturer     Model Calibre Twist     Lenght     Sessions     Distances(yd)
min. max.
#41 Nikolay42 Molot OP SKS 7.62x39mm 240(mm) 520(mm)
#31 Wert Molot OP SKS 7.62x39mm 10(inch) 520(mm) 1 77 77
#3 Георгий Česká Zbrojovka (CZ) CZ 557 LUX .308 Winchester 11(inch) 520(mm)
1
3