Restricted Importation

NFA Firearms

Those firearms as defined in 26 U.S.C. § 5845, which include such firearms as machineguns, machinegun receivers, silencers, short barreled rifles, short barreled shotguns, destructive devices, smoothbore pistols, and certain other firearms (including certain unserviceable weapons).

Surplus Military Firearms

Those firearms which are generally not authorized for importation under 18 U.S.C. § 925(d)(3).

Nonsporting Firearms

… such as handguns which do not meet the sporting purpose criteria on ATF F 5330.5 (Form 4590), any rifle or shotgun with a folding stock or folding bayonet, and shotguns having a fixed magazine with a capacity of more than 5 cartridges and certain military style semiautomatic rifles and shotguns.

Nonsporting Ammunition

… including armor piercing ammunition, tracer ammunition (except sporting shotgun ammunition), ammunition for destructive devices, and incendiary ammunition. (see 18 U.S.C. § 921(a)(17)(B)).

Proscribed Countries

Importation of firearms (other than sporting shotguns), ammunition (other than sporting shotgun ammunition), and munitions list articles originating in certain countries is prohibited.

Proscribed Countries
See: Federal Register, Vol. 72, No. 246 — December 26, 2007, pages 72936-8
Defense articles that were manufactured or being exported from any of the countries below cannot be authorized for importation into the United states. Both 27 CFR § 447.52 and 22 CFR § 126.1 also apply the same proscriptions to countries with which the united states maintains an arms embargo. The ITAR notes the following countries:
AfghanistanBurma
BelarusChina
CubaDemocratic Republic of the Congo
HaitiLiberia
IranMongolia
IraqRwanda
LibyaSomalia
North KoreaSudan
SyriaUnita (Angola)
Vietnam
Voluntary Restraining Agreement

Certain restrictions apply to both ammunition and firearms (other than sporting shotguns) which are located or manufactured in Georgia, Kazakhstan, Kyrgystan, Moldova, Russian Federation, Turkmenistan, Ukraine or Uzbekistan and any firearm or ammunition manufactured in the former Soviet Union located anywhere in the world. Only the following stipulated firearm models or parts for these models are importable under the present agreement. 27 CFR § 447.52.

Pistols / Revolvers Restrictions
German Model P08 Pistol MC-1-5 Pistol
IZH 34M (.22 caliber Target Pistol)Polish Vis Model 35 Pistol
IZH 35M (.22 caliber Target Pistol)Soviet Nagant Revolver
Mauser Model 1896 PistolTOZ 35, .22 caliber Target Pistol
Added as of May 6, 2004:
MTs 440 PistolMTs 57-1 Pistol
MTs 59-1 PistolMTs 1-5 Pistol
TOZ-35M Starter PistolBiathlon-7k Pistol
Rifle Restrictions
BARS-4 Bolt Action CarbineMC-113-02
Biathlon Target Rifle, .22LR caliberMC-115-1
British Enfield RifleMC-125/127
CM2, .22 caliber Target Rifle MC-126 (also known as SM2, 22 caliber) MC-128
German Model 98K Rifle Saiga Rifle
German Model G41 RifleSoviet Model 38 Carbine
German Model G43 RifleSoviet Model 44 Carbine
IZH-94Soviet Model 91/30 Rifle
LOS- 7 Bolt Action RifleTOZ 18, .22 caliber Bolt Action Rifle
MC- 7-07TOZ 55
MC-18-3TOZ 78
MC-19-07Ural Target Rifle, .22LR caliber
MC-I05-01VEPR Rifle
MC-I12-02Winchester Model 1895 (Russian Model Rifle)
Added as of May 6, 2004:
Sever Double-BarrelIzh-18MN Single barrel, break action
MR-251 Over/UnderMR-221 Double barrel
MR-141KMR-161K
MTs 116-1MTs 116M Rifle
MTs 112-02MTs 115-1
MTs 113-02MTs 105-01 Combination Gun
LOS-7-1 Bolt-action Sporting RifleLOS-7-2 Bolt-action Sporting Rifle
LOS-9-1 Bolt-action Sporting RifleSobol (Sable) Bolt-action Sporting Rifle
Rekord Semi-auto RifleBars-4-1 Bolt-action Sporting Rifle
Saiga Semi-auto RifleSaiga-M Semi-auto Rifle
Saiga-308 Semi-auto Rifle
Saiga-308-1 Semi-auto Rifle
Saiga-308-2 Semi-auto Rifle
Saiga-9 Semi-auto Rifle
Korshun Semi-auto RifleUral-5-1
Ural-6-1
Ural-6-2
SM-2 Bolt-action Target Rifle
SM-2-1 Bolt-action Target Rifle
Biatlon-7-3 Bolt-action Target Rifle
Biatlon-7-4 Bolt-action Target Rifle
Rekord-1 Bolt-action Target Rifle
Rekord-2 Bolt-action Target Rifle
Rekord-CISM Bolt-action Target Rifle
Rekord-1-308 Bolt-action Target Rifle
Rekord-2-308 Bolt-action Target Rifle
Rekord-308-CISM Bolt-action Target Rifle
Vepr Semi-autoVepr-Super Semi-auto
Vepr-Pioner Semi-autoVepr-Safari Semi-auto
TOZ 109 Semi-autoKO 44-1 Semi-auto
TOZ 78-01 Bolt-actionKO 44 Semi-auto
TOZ 99 Semi-autoTOZ 99-01 Semi-auto
TOZ 55-01 Zubr Double-barrelTOZ 55-2 Zubr Double-barrel
TOZ 120 Zubr Double-barrelMTs 111 Double-barrel
MTs 109 Double-barrel CombinationTOZ 122 Semi-auto
TOZ 125 Semi-autoTOZ 28 Triple-barrel
TOZ 300 Triple-barrel