In SCP: Secret Laboratory certain players are able to obtain various weapons. There is also a simple customization system, where players can customize certain weapons by bringing them to a Workstation.
Handguns
"COM-15 Sidearm"
Heckler & Koch P30L
Heckler & Koch USP
The Heckler & Koch USP made an appearance as itself, chambered in 9x19mm. However, in the 11.0.0, it was replaced by the "COM-18."
M1911
Ruger SR9c
Smith & Wesson Model 500
Submachine Guns
FN P90 TR
Heckler & Koch MP7A1
The Heckler & Koch MP7A1 appears as the "FSP-9," being incorrectly chambered in 9x19mm. It was formerly known as the "MP7" before a weapon overhaul.
KRISS Vector Gen II
The KRISS Vector Gen II is featured as the "Crossvec." As with most pistol-caliber guns, the Vector is chambered in 9x19mm.