When using SOG:PF weapons, adding a magazine to an empty weapon incorrectly causes a reload animation.
As shown in the video, vanilla weapons (and most other mods, I might add) don't have this problem. You can detach/attach magazines whenever and they instantly work.
This isn't a big deal normally, but in certain situations (clearing a jam using dzn Extended Jamming) it makes your weapon inoperable for the duration of the reload animation, even though the animation doesn't play.
Solution for this is to figure out where this problem stems from, and adjust it so that weapons can add/change magazines without this reload sequence delay.