All info is compiled by averaging 3 reloads. As such, the info isn't 100% correct
Raven[]
Without Improved Reload[]
Hollis A3: 3.1 seconds
Atac 2000: 2.3 seconds
R-553: 3.3 seconds
Grenade Launcher: 2.7 seconds
Apex 100: 4.1 seconds
KP45 MG: 5.1 seconds
F90: 3.0 seconds
Boudini(All 5 shells): 4.0 seconds
F57: 1.9 seconds
H M 90: 3.6 seconds
Janas SWS: 3.8 seconds
AM50: 3.9 seconds
RPG: 4.0 seconds
With Improved Reload[]
Hollis A3: 2.4 seconds
Atac 2000: 2.0 seconds
R-553: 2.5 seconds
Grenade Launcher: 2.1 seconds
Apex 100: 3.1 seconds
KP45 MG: 4 seconds
F90: 2.1 seconds
Boudini(All 5 shells): 3.0 seconds
F57: 1.4 seconds
KP7(PDW's can only be used with Imp Reload): 1.5 seconds
H M 90: 2.6 seconds
Janas SWS: 3.1 seconds
AM50: 3.3 seconds
RPG: 3.1 seconds