Glock 19 vs Glock 43X compared by current GLOCK dimensions, capacity references, exact Rentagun package scope, and an explicit not-tested-yet disclosure.

Glock 19 vs Glock 45 compared by current GLOCK dimensions, capacity, frame/slide layout, and exact Rentagun PDP records—with testing clearly marked forthcoming.

9mm vs .45 ACP explained with SAAMI dimensions, GLOCK host references, Rentagun catalog examples, clear trade-offs, and a no-testing-yet disclosure.