There are several measurement dissimilarities, but for the most part, they are hardly visible. The 1 main measurement variance is the weight, wherever the Glock forty three is considerably lighter. But there are two tiny recoil bosses mounted about the mounting pattern that isn't suitable With all the two-affirmation optics. https://glock439mmprice84024.articlesblogger.com/39619237/glock-43-can-be-fun-for-anyone