User blog comment:IamJakuhoRaikoben/Chapter 466: Assassination, Review./@comment-5303512-20151216145356/@comment-7418318-20151218213137

Just what Wrath said.

Alzak always has his guns with him in the holsters, unlike his wife who has them in a magical space like Erza.

And when he switches ammunition, you also see him pull out the old bullets and manually put others into the chambers. No spacial magic in that.