This article is to simply test ported barrels, comped barrels, slide-comp barrels, and naked barrels in a carry gun and what, if any, performance gains they provide. We’ll be using their threaded barrel, ported barrel, ported slide, and normal barrel for this test. Max Time Min Time Average Time Improvment Over Base ZP “Normal” Barrel No 2.97 Seconds 2.35 Seconds 2.66 Seconds 0% PMM Comp 2.47 Seconds 2.30 Seconds 2.37 Seconds 11% SIG XMACRO Slide Slide Comp 2.64 Seconds 2.03 Seconds 2.25 Seconds 15% Faxon Firearms EXOS-525 Comp 2.30 Seconds 2.14 Seconds 2.21 Seconds 30% ZP Ported Slide & Barrel Ported 2.03 Seconds 1.71 Seconds 1.85 Seconds 37%