You know you want to
Nah, I don't. If she was a PKM or anything with a fat calibre than yeah...
...but 5.45x39mm? Just wouldn't feel right.
I mean, I'm not going full purist, but putting something that looks like a scaled down artillery muzzle on an LMG feels like putting an EOTech on a pistol. And yeah, I know people have done it and may they be happy as larks... pillarks!
BTW, I'm calling her "Raisa".