Handguns:
1911 Commander Length
1911 Officers ACP Length
Glock 19
Browning Hi-Power
Sig Sauer P226
Sig Sauer MK-25 (It's a 226 with a barrel thread and anchor engraving)
Sig Sauer P229
Smith & Wesson M&P
Springfield XD
CZ 75
CZ P-09
Heckler and Koch P2000
Heckler and Koch VP-40
FN Herstal FNX-45 Tactical (Has a slot for a RMR sight stock, I thought that was kinda cool)
FN Herstal Five-seveN


SMG's:
Sig Sauer MPX
MP9 or TMP



Rifles

Sig Sauer 552
Sig Sauer 553
M4 (14.5in barrel)
M4 (10in barrel)
ACR
HK 417 (Not 416)
FN FAL
KAC SR-25

Shotguns:
Remington 870
Remington 870 Bullpup (Yes it's real)
Kel-Tec KSG
UTAS UTS-15

More ideas will be added later