K
- K1/K1A (South Korea - Assault Rifle 5.56x45mm NATO)
- K2 (South Korea - Assault Rifle 5.56x45mm NATO)
- K3
- K4
- K5
- K6
- K7
- K-3 (Armenia - Assault Rifle 5.56x45mm NATO)
- K100 (Slovakia - Pistol - 9 × 19 mm Parabellum)
- KAC ChainSAW (US - Light Machine Gun - 5.56×45mm NATO)
- KAC GatMalite (US - Light Machine Gun - 5.56×45mm NATO)
- KAC Masterkey (US - Assault Rifle / Shotgun - 5.56×45mm NATO / 12 Gauge)
- KAC SR-15
- KAC SR-16
- KAC SR-25
- KAC SR-47
- KAC SR-50
- KAC SR-M110 SASS (XM110 Semi-Automatic Sniper System)
- Kahr Arms Model 9093
- Kahr P380
- Kahr CW40
- Kahr K40
- Kahr MK40
- Kahr P40
- Kahr PM40
- Kahr T40
- Kahr TP40
- Kahr CW45
- Kahr P45
- Kahr PM45
- Kahr TP45
- Kahr CW9
- Kahr K9
- Kahr MK9
- Kahr P9
- Kahr PM9
- Kahr T9
- Kahr TP9
- KAL1 General Purpose Infantry Rifle (Australia - Battle Rifle - 7.62×51mm NATO)
- Kalekalip 12.7mm AMR (Turkey - Anti Material Rifle - 12.7mm)
- Kalashnikov KA174
- Kanuni pistol (Turkey - Pistol - 9 × 19 mm Luger/Parabellum)
- Kashatn Submachine Gun
- Kassnar Arms M-116
- KB PPanc wz 1935
- KB-P 790 (Russia - Light Machine Gun - 7.62x39mm)
- KBP Instrument Design Bureau, 9A-91 (Russia - Carbine Assault Rifle - 9 × 39 mm)
- KBK wz 96 Mini-Beryl
- KBK wz 1929
- Kbkg wz. 1960 (Poland - Assault rifle-grenade launcher - 7.62×39mm)
- KBP UDAR
- Kefefs (Greece - Sniper Rifle - 7.62×51mm NATO)
- KBS wz 96 Beryl
- Kel-Tec
- Kel-Tec KSG (US - Pump-action Shotgun - 12 Gauge)
- Kel-Tec P11 (US - Pistol - 9×19mm Luger/Parabellum)
- Kel-Tec PF-9 (US - Pistol - 9×19mm Luger/Parabellum)
- Kel-Tec P-32 (US - Pistol - 7.65×17mm/.32 ACP)
- Kel-Tec P40 (US - Pistol - .40 S&W)
- Kel-Tec P3AT (US - Pistol - 9×17mm/.380 ACP)
- Kel-Tec PLR-16 (US - Pistol - .223 Remington/5.56×45mm NATO)
- Kel-Tec RFB (US - Semi-Automatic rifle - 7.62mm NATO)
- Kel-Tec SUB-2000 (US - Semi-Atuomatic rifle - 9×19mm Luger/Parabellum, .40 S&W)
- Kel-Tec SU-16 (US - Semi-Automatic rifle - .223 Remington/5.56×45mm NATO)
- Kg m/40 light machine gun
- KGP-9 Hungarian Machine Pistol
- Khaybar KH2002 (Iran - Assault Rifle - 5.56×45mm NATO)
- Kimber Classic .45
- Kimber Custom (US - Pistol - .45 ACP)
- Kimber Custom TLE II
- Kimber Warrior
- Kimber Desert Warrior
- Kimber Eclipse (US - Pistol - 10 mm Auto, .45 ACP)
- Kimber Eclipse Target II
- Kimber Pro Carry (US - Pistol - .45 ACP)
- Kimber Tactical Pro II (US - Pistol - .45 ACP)
- Kimber Aegis (US - Pistol - .45 ACP)
- Kimber Ultra Carry II (US - Pistol - .45 ACP)
- Kimber Stainless Target II (US - Pistol - 9×19mm Luger/Parabellum, .40 S&W, 10 mm Auto, .45 ACP)
- Kintrek Model KBP-1 .22 Caliber
- Kiraly Danuvia Submachine Gun Model 1939 (Hungary)
- Knorr-Bremse automatic rifle (Germany - Paratroop Rifle - 7.92×57mm)
- Kombinat (Suhl) MPi36 /KK-MPi
- Kombinat (Suhl) MPi74
- Kombinat (Suhl) MPi74-NK
- Kombinat (Suhl) MPi74-NS
- Kombinat (Suhl) MPi-KK
- Kombinat (Suhl) MPi-KM
- Kombinat (Suhl) MPi-KMS
- Kommando LDP (Rhodesia - Submachine Gun - 9×19mm Parabellum)
- Korobov TKB-059 (Russia - Assault Rifle - 7.62×39mm)
- Korovin pistol (Russia - Automatic Pistol - 7.65 × 25 mm)
- Korovina (Russia - Automatic Pistol - .25 ACP)
- Korth Combat .357
- KOVROV AEK906 Russian revolver
- KOVROV AEK919-K
- KOVROV UDAR Russian revolver
- KPB DROTIK
- KPB PP90-M (RUSSIA)
- KPB U94-TS Russian revolver
- Krag-Jørgensen (Norway - Rifle -
- Krag-Petersson (Norway - Rifle -
- Kreighoff MG39 (Germany - Machine Gun - 7.92 × 57mm)
- Krnka 1895–1904 semi-automatic Austro-Hungarian military pistols
- Kropatschek
- KS-23 (Russia - Shotgun -
Read more about this topic: List Of Firearms