[Fido969]

Are those SKSs?

[Tijeras_Slim]

I think a number of combloc countries use the SKS in ceremonial displays, sort of like the Marines doing ceremonial drill with M1’s.

[ArrogantBustard]

Yes ... The Russians and many former SovBloc eastern European countries also use SKS for ceremonial rifles. They balance well.

US Military also sometimes uses "obsolete" rifles for ceremonial purposes. See, for example, these Soldiers: