With the M14 it's the easiest to reproduce. Simply take out the magazine, shoot the round in the chamber, then reinsert the magazine and watch the bolt teleport into the open position for the animation.
WithFor the other 2 you have to engageSVD take out the mag, shoot the safety once afterweapon once, the round in the chamber has been fired,n reload and watch the bolt snap backwards. which makes the bolt magicalAlternatively snap forward without a sound or proper animation.hoot the gun completely empty, If youengage then reload safety once, you will also have the issue of the bolt teleporting to the open position for the reload.
(If you shoot the last round without a magazinethen reload.
Doing this with the VZ-58 requires you to shoot the gun completely empty, bolt hold-open isn'tthen engaged which automatically leaves the bolt closed. the safety once, To do this with a magazine inserted,then reload. engageIt will not play the safety once after the gun is fully empty.)animation for reloading with a closed bolt, and instead one with an open bolt.