((Work in progress))
Here is a list of real firearms and firearm manufacturers mentioned in rap music. No slang, only real stuff
Specific firearms:
AK-47
AR-15
Calico M960
Carbon 15
Desert Eagle
FiveSeveN
G36
Glock 17
Glock 18
Glock 19
Glock 21
Glock 23
Glock 30
GSG-5
Haskell 45
HK-416
Ithaca 37
Luger
M1
M16
M4
Mossberg 500
Mossberg 935
MAC-10
MAC-11
MAC-12
Master Key
Mini-14
MP-5
MP-7
Musket
P89
P90
P90 (PDW)
Robinson Armament XCR
SKS
Sig Sauer 1911
TEC-9
Uzi
Walther PPK
Firearm companies:
Colt
ArmaLite
Beretta
Glock
Heckler & Koch
Kel-Tec
Intratec
Mossberg
Ruger
SIG
Taurus