8 Complete AR-15 rifles in 5.56 in various configurations, and 3 extra upper recievers in seperate calibers (6.8, .458SOCOM, 9mm)
Springfield Armory M1a National Match
3 WW2 garand rifles - one complete winchester, international harvester, and springfield
Winchester model 70 - .243
Winchester Model 70 - .375 H&H
Winchester Model 70 - 300 win mag
Ruger #1 - .458 win mag
Ruger #1 - .338 win mag
Ruger #1 - .375 H&H
Savage 112 .25-06 with fluted heavy bull barrel
2 Russian SKS
1 Arsenal AK-47 clone
Beretta AL391 12ga
Franchi Spas12 12ga
Mossberg pump 12ga, 18" barrell, heatshield, collapseable stock
Marlin 1895 stainless .45-70
Marlin .17 HMR
Holland & Holland double rifle - .375 H&H
Weatherby Mk 5 - .460 Weatherby
2 ruger 10/22's
Ruger 77/22 - .22 hornet
1 M16 lower reciever, NFA
Winchester model 94 - .30-30
Winchester model 94 - .375 Winchester (never fired)
There are still more rifles, but that is just off of the top of my head.
Pistols -
Smith and Wesson 500
460XVR - Smith and Wesson (.460S&W)
Glock 19
Glock 30
HK USP45 Tactical
HK USP45 Compact
HK Mk. 23 - .45 ACP
HK P7m13 - 9mm
Springfield Armory 1911a1 Mil-spec - .45 auto
Springfield Armory 1911a1 Loaded Stainless - .45 Auto
Kimber Eclipse 1911 - 10mm auto
Walther P22
Browning Buckmark
Smith and Wesson snub nose .357
Sig 228
Taurus .44 magnum
Other items -
.45 caliber Gemtech Supressor, NFA
.22 caliber Gemtech Outback rimfire supressor, NFA
.22 caliber Gemtech HALO supressor, NFA
I also keep at least 8 magazines for any rifle or handgun that requires one.