any of the following, regardless of country of manufacture or caliber of ammunition accepted:(thread)
A pistol grip.
A forward grip.
A folding, telescoping, or detachable stock.
A grenade launcher or rocket launcher.
A barrel shroud.
A threaded barrel
Threaded barrel
Second pistol grip
Barrel shroud
Capacity to accept a detachable magazine at some location outside of the pistol grip
*A semiautomatic version of an automatic firearm*
Folding, telescoping, or detachable stock
Pistol grip
Fixed magazine with the capacity to accept more than 5 rounds
The ability to accept a detachable magazine
Forward grip
Grenade launcher or rocket launcher
All AK types
All AR types
All Thompson rifles
Barrett M82A1
Beretta CX4 Storm
Calico Liberty Series
CETME Sporter
Daewoo K–1, K–2, Max 1, Max 2, AR 100, and AR 110C
Fabrique Nationale/FN Herstal FAL, LAR, 22 FNC, 308 Match, L1A1 Sporter, PS90, SCAR, and FS2000
Feather Industries AT–9
Hi-Point Carbine
HK–91, HK–93, HK–94, HK–PSG–1, and HK USC
IWI TAVOR, Galil ACE rifle
Kel-Tec Sub-2000, SU–16, and RFB
SIG AMT, SIG PE–57, Sig Sauer SG 550, Sig Sauer SG 551, and SIG MCX
Springfield Armory SAR–48
Steyr AUG
UMAREX UZI rifle
UZI Mini Carbine, UZI Model A Carbine, and UZI Model B Carbine
Valmet M62S, M71S, and M78
Vector Arms UZI Type
Weaver Arms Nighthawk
Wilkinson Arms Linda Carbine
All AK–47 types
All AR–15 types
All Thompson types
All UZI types, including Micro-UZI
Calico Liberty pistols
DSA SA58 PKP FAL pistol
Heckler & Koch model SP–89 pistol
Intratec AB–10, TEC–22 Scorpion, TEC–9, and TEC–DC9
IWI Galil Ace pistol, UZI PRO pistol
Kel-Tec PLR 16 pistol
MAC–10
MAC–11
Military Armament Corp. Ingram M–11
Velocity Arms VMAC.
Sig Sauer P556 pistol.
Sites Spectre
All IZHMASH Saiga 12 types
DERYA Anakon MC–1980, Anakon SD12
Doruk Lethal shotguns
Franchi LAW–12 and SPAS 12
Streetsweeper.
Striker 12