Hello,I'm a fan of realistic guns in the real world.I'm from China.Although I'm not good at knowledgeable in the guns as some other users of this site are,but I'll do my best.
My favorite weapons
Pistol
Error creating thumbnail: File missing Colt M1911A1 - .45ACP Very classic pistol can used for a combat situation or home defense,very omnipotence pistol who didn’t love it?
Error creating thumbnail: File missing SIG-Sauer MK25 - 9x19mm P226 Navy verison use by Seal team,it is the best pistol ever made,if I was ever dual-wielding handguns,the M1911A1 in my right hand and this gun in my left hand.
Error creating thumbnail: File missing Heckler & Koch MK23 SOCOM - .45ACP A big,powerful and nice pistol use by special force.
Error creating thumbnail: File missing Glock 18C (3rd Generation) - 9x19mm High firing rate pistol like MAC10,but the accurate is a big problem.
Error creating thumbnail: File missing SIG-Sauer P228 - 9x19mm One of Mr.Gibbs best friend.
Shotgun
Error creating thumbnail: File missing Mossberg 500 - 12 gauge
Error creating thumbnail: File missing Remington 870 - 12 gauge
Sub-machine gun
Error creating thumbnail: File missing Heckler & Koch MP5-N - 9x19mm MP5A3 upgrade verison use by Seal team.
Error creating thumbnail: File missing IMI UZI - 9x19mm An Israel sub-machine gun build with Jewish wisdom and Sten’s tough.
Error creating thumbnail: File missing Ingram MAC10 - .45ACP Very fast firing rate and cheap sub-machine gun manufactured in States.
Error creating thumbnail: File missing VZ61 Skorpion .32 ACP KGB’s favor,very small and no powerful,but still can cause a havoc.
Error creating thumbnail: File missing Heckler & Koch MP5SD6 - 9x19mm Piu——Piu——Piu——,Send more reinforcement,now.
Error creating thumbnail: File missing Heckler & Koch UMP45 - .45ACP Very powerful sub-machine gun used by law-enforcement and special force all over the world.
Error creating thumbnail: File missing Brügger & Thomet MP9 - 9x19mm Actually this Swiss made SMG is upgrade from TMP,for me this SMG is looks like a beauty.
Assault Rifle
Error creating thumbnail: File missing Colt M16A2 - 5.56x45 NATO Such a good assault rifle I love, I can to use the rifle in fullest extent if with colt or acog scope,digital camo and enough ammunation.
Error creating thumbnail: File missing FN FNC - 5.56x45mm The Belgian rifle develop from FN CAL.
Error creating thumbnail: File missing FN SCAR-L - 5.56x45mm One of the good modern rifle.
Error creating thumbnail: File missing Colt M4A1 - 5.56x45mm Very normal morden rifle.
Error creating thumbnail: File missing Colt CAR-15 - 5.56x45mm Classic carbine who service in Vietnam war.
Error creating thumbnail: File missing Steyr AUG A1 - 5.56x45mm The successful bullpup rifle who manufactured in Austlia.
Error creating thumbnail: File missing Colt MK18 MOD0 - 5.56x45mm The short carbine build from M4A1,best close combat weapon for sniper.
Error creating thumbnail: File missing Heckler & Koch G36C - 5.56x45mm Very compact carbine from Germen.
Error creating thumbnail: File missing SIG SG552 - 5.56x45mm The best answer for the intruder from Swiss.
Error creating thumbnail: File missing IMI Tavor TAR-21 - 5.56x45mm One of the best morden bullpup rifle from Israel.
Error creating thumbnail: File missing Norinco Type 56-1 - 7.62x39mm If this rifle with rail grip,mount Eotech 552 holographic sight and M203 grenade launcher,the rifle is looks good.
Error creating thumbnail: File missing Izhmash AN-94 - 5.45x39mm Very rare and powerful assault rifle manufactured in Russia.
Battle Rifle
Error creating thumbnail: File missing Heckler & Koch G3A3 - 7.62x51mm NATO The rigor of Germany is reflected on this rifle.
Error creating thumbnail: File missing FN FAL - 7.62x51mm NATO The free hand of right world,one of the encounter answer for AK47.
Sniper Rifle
Error creating thumbnail: File missing M21 SWS - 7.62x51mm NATO If you mount AN/PVS-2 and silencer,you can make some Charlie's nightmare.
Error creating thumbnail: File missing Remington M40 - 7.62x51mm NATO Another Mr.Gibbs friend when he in Gulf war and NCIS serve.
Error creating thumbnail: File missing Heckler & Koch PSG-1 - 7.62x51mm NATO Very expensive sniper rifle in 1970s.
Error creating thumbnail: File missing KAC MK11 MOD0 - 7.62x51mm NATO M21's successor,one of the most accurate designated marksman rifle
Error creating thumbnail: File missing L118A - .300 winmag One of the most accurate bolt-action sniper rifle in the world.
Error creating thumbnail: File missing McMillan TAC-50 - .50 BMG Canadian use this rifle make world record.
Machine Gun
Error creating thumbnail: File missing Saco M60 - 7.62x51mm NATO Rambo’s sympol,big lad’s favor.
Error creating thumbnail: File missing FN M249E1 - 5.56x45mm NATO The best answer for somali gunman and can cause your teammate who armed M60 to deaf.
Error creating thumbnail: File missing FN MAG - 7.62x51mm NATO M60’s opponent,one of the best GPMG ever made.
Launcher
Error creating thumbnail: File missing Colt M16A2 with M203 grenade launcher - 40x46mm
Error creating thumbnail: File missing M72 LAW - 66mm
File:-0976t.jpg FIM-92 Stinger - 70mm
Error creating thumbnail: File missing M136 AT4 - 84mm
FGM-148 Javelin - 127mm
Next Generation Weapon
Heckler & Koch XM29 OICW - 5.56x45mm NATO 20x28mm Very rare,but you can use it in the games.
Error creating thumbnail: File missing SC-20K (build from FN F2000) - 5.56x45mm NATO 40x46mm Mr.Fisher's best friend,among his Five-seven.
Guns that I think fitted in games
Just my personal opinion(just story mode):
Call of Duty 4: Modern Warfare : AUG A1 ,P226 , MAC-10 , Glock 17 and SG552 used by British SAS level;M60E4 used by USMC level;TMP used by Middle East Opfor instead of Mini-UZI ;in Chernobyl level,MAC-10 with silencer instead of P90 with silencer;AKS74U with Kobra red dot instead of G36C with Tusco red dot;L96A1 instead of M21 ,PKM instead of RPD ;M16A1 with red dot and silencer instead of USP .
Call of Duty: Modern Warfare 2 : Saiga-12K used by Russian instead of AA-12 ;Glock 18 used by Russian VDV troops;MP-443 Grach used by FSB;PSG-1 instead of WA2000 ;PKM instead ofRPD ;MAC-10 ,HK21 ,SG552 ;Russian use Russian or European guns instead of some American guns.
Call of Duty: Black Ops : Remington 870 ,Remington 1100 instead of SPAS-12 ,AR-18 instead of Galil ,M40 instead WA2000 ,SKS ,TKB-408 (a Soviet bullpup rifle in 1960s-1970s ) instead of AUG A1 ,VZ58v instead of AKS74U ,L42A1 instead of L96A1 ,RPD and PKM instead of RPK ,G3A3 ,TKB-022 (another Soviet bullpup rifle before TKB-408) instead of FAMAS ,M/45 instead of MP5K .
Call of Duty: Modern Warfare 3 : Saiga-12K used by Russian instead of AA-12 ,M1014 ,Heckler & Koch HK416 instead of Colt CM901 ,MP-443 Grach instead level in Sierra Leone and IL-76,FAMAS FÉLIN used by GIGN among with G36C ,MP5 and MK46 ; VZ61 ,Skorpion EVO3 A1 ,CZ 805 BREN and VZ58V tactical in Czech levels,L86 LSW ,M16A4 in British levels,HK417 instead of RSASS ,SG552 ,AUG A1 ,Mini-UZI instead of Minebea M-9 .
GTA III : MP5 ,M4A1 ,UZI ,SPAS-12 ,MINI-14 GB ,M249E2 ,M136 AT4 instead of M72 LAW ,Glock 17 instead of Colt M1911A1 ,Colt M1911A1 in the place same as Desert Eagle or Colt Python .
GTA: Vice City : M72 LAW ,M16A1 with M203 ,HK 33A2 ,Beretta 92SB ,Walther MPL ,Valmet M82 ,XM177E2 ,P226 ,AUG A1 .
GTA: San Andreas : Glock 17 ,Armsel Striker ,MAC-10 ,M16A2 ,M72 LAW instead of RPG-7 ,XM177E2 instead of M4 ,FIM-92 instead of SA-7 ,P226 ,Remington 870 instead of Ithaca 37 ,M21
GTA: Vice City Stories : M60 instead of Minimi ,M1911A1 instead of M92F ,XM177E2 ,Valmet M62 instead of AK47 ,M134 instead of GAU-19 ,AR-18 ,AUG A1 .
GTA: Liberty City Stories : M249E2 instead of M60 ,M92F ,G36 ,AUG A1 ,P226 .
Splinter Cell: Pandora Tomorrow : FN FNC or Pindad SS1-V1 used by Indonesian instead of AK-74 .
Delta Force 2 : Glock 17 ,Remington 870 ,AUG A1 ,M9 used by Opfor instead of M1911A1 .
Joint Operations: Typhoon Rising : Glock 17 ,FNC used by both side,UZI ,AUG A1 ,FN FAL ;Beretta M12S used by Indonesian Rebels.
Battlefield: Vietnam :PKM ,UZI ,MAC-10 ,Hi-Power ,Beretta M12S ,VZ61 ,PPS-43 ,Stoner 63 ,M1 Garand ,M1A1 Carbine ,M1 Bazooka .
Operation Flashpoint :Stoner 63 ,Remington 870 ,M1911A1 ,FIM-43 ,FN MAG
Chinese law enforcement weapons
Chinese police weapon system is very mess, and some weapon are use WWII.
Notes
1.The export is mean to third world country and Canada.
2.Not of all weapon producers in China are state run.
3.This list just talk about the weapon in service.
4.This list is only including the weapons from post 1949 mainland China in this list,maybe I will do this in a list another day.
Pistols
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File:Tokarev NorincoM213B.jpg|Norinco Type 54
File:Type 64 Pistol.jpg|Norinco Type 64
Image:Type77.jpg|Type 77
Image:QSZ-92.jpg|QSZ-92 (9mm)
File:Norinco NP22.jpg|NP-22 (limited use in some SWAT unit.)
Image:Glock173rdGen.jpg|Glock 17 (Xin Jiang province SWAT only.)
Image:Glock 26.jpg|Glock 26 (Like Glock 17,Xin Jiang province SWAT only.)
File:Norinco9.jpg|Type 05 police revolver