Having compensators on pistols is not exactly new. Competitors have been porting pistols for a very long time. Go look at any open division pistol in USPSA or IPSC. However, since the Roland Special came out, we have seen an increasing...
The folks at Triangle Tactical did an outstanding job depicting size comparisons for the Glock 43. You can read the full article here. Glock 43 Compared to Other Pistols...