| # | Firearm | Appearances |
|---|---|---|
| 1 | Single Action Army | 2771 |
| 2 | Glock 17 | 2697 |
| 3 | Beretta 92FS | 2340 |
| 4 | M1911A1 | 1548 |
| 5 | Nagant M1895 | 1153 |
| 6 | Glock 19 | 999 |
| 7 | SIG-Sauer P226 | 918 |
| 8 | Luger P08 | 896 |
| 9 | 12 Gauge Double Barreled Shotgun | 882 |
| 10 | Walther P38 | 824 |
Showing 50 of 5195 firearms
| Name | Manufacturer | Caliber | Type |
|---|---|---|---|
| Jericho 941 RSPL | - | - | Jericho 941 |
| Jericho 941 Semi-compact | - | - | Jericho 941 |
| Jericho 941F | - | - | Jericho 941 |
| Jericho 941FB Compact | - | - | Jericho 941 |
| Jericho 941FB Compact pistol | - | - | Jericho 941 |
| Jericho 941R | - | - | Jericho 941 |
| Jericho 941RPL | - | - | Jericho 941 |
| Jezail Musket | - | - | - |
| Jezail musket | - | - | Jezail Musket |
| Jian She Type-05 | - | - | QCW-05 |
| Jimenez Arms J.A. .32 | - | - | Jennings Bryco 38 |
| Joslyn Rifle | - | - | - |
| Jäger Rifle | - | - | Jaeger Rifle |
| K31 Rifle | - | - | - |
| KA74 blaster rifle (PP-19-01 Vityaz) | - | - | Izhmash PP-19 |
| KAC PDW | - | - | Knight's Armament PDW |
| KE Arms KE-15 | - | - | - |
| KGP-9 | - | - | - |
| KJW MP-05 Hi-Capa | - | - | - |
| KPV | - | - | KPV heavy machine gun |
| KPV heavy machine gun | - | - | - |
| KPVT | - | - | KPV heavy machine gun |
| KRISS Vector | - | - | TDI Vector |
| KS Fire Bottle | - | - | - |
| KSC M93R | - | - | Beretta 93R |
| Kabyle Musket | - | - | - |
| Kahr CW9 | - | - | Kahr K9 |
| Kahr K9 Stainless | - | - | Kahr K9 |
| Kahr M9098 Elite 2003 | - | - | - |
| Kahr MK9 | - | - | Kahr K9 |
| Kahr P9 | - | - | - |
| Kahr PM9 | - | - | Kahr P9 |
| Kahr T9 | - | - | - |
| Kalashnikov LMG 1943 | - | - | Kalashnikov RPK-43 |
| Kalashnikov PKM | - | - | PK Machine Gun |
| Kampfpistole Z | - | - | Leuchtpistole |
| Karabinek wz. 1898 | - | - | Mauser Rifle Series |
| Karabinek wz. 29 | - | - | Mauser Rifle Series |
| Karabinek wz.29 | - | - | Mauser Rifle Series |
| Karabiner 1888 | - | - | Gewehr 1888 |
| Karabiner 98AZ | - | - | Mauser Rifle Series |
| Karabiner 98a | - | - | Mauser Rifle Series |
| Karabiner 98b | - | - | Mauser Gewehr 1898 |
| Karabiner 98k | - | - | - |
| Karabiner 98k "Kriegsmodell" | - | - | Karabiner 98k |
| Karabiner 98k Sporter | - | - | Karabiner 98k |
| Kasapanos Explosive Charge | - | - | - |
| Kayaba Type 90 flare pistol | - | - | Type 90 signal pistol |
| Kbk wz.88 Tantal assault rifle | - | - | wz. 88 Tantal |
| Kel-Tec KSG | - | - | - |