Has been used in the Swiss Army for the Stgw57 SIG510
Used from 1959 to around 1996
7.5mm about a .30 cal
Included
Handle with 5 Pieces screw together extensions
Brass Brush
Grease Brush
Bore Brush
Inspection Mirror
Chambering Tool
2 Grease Bottles
Canvas Pouch
This are used but in good condition