AHHHHHH. 338/378. Weatherby's had that one a while. It will deliver a wallop. Good luck!

45-70, 9mm, .50cal. muzzleloader(if this counts), .22, .270 this year, 30-06, 30-30,
12 gauge, 20 gauge, .45, 44-40, .38, possibly a 45-120, .280

but the good thing is you can never shoot too much

22lr handgun and rifle
22 magnum handgun and rifle
250-3000
260
30-30
357 magnum handgun and rifle
350 rem magnum
50 cal flintlock
54 cal caplock
12 ga slug gun
28 ga

.22, .308, 30-06, 6.5x55, 8x57, 7.62x54r, 7.62x39, 7.5x55

9x19, .45 ACP

.50 ML
12, 20 guage shotgun

I handload and shoot the following calibers
.38 special
.357 mag
.45 acp
.223 rem
.22-250 rem
.30-30 win
.308 win
.30-06 springfield
12 ga

I also shoot 9mm, 7.62x54R and 22 LR. but dont reload them becuase I can buy quality 9mm and 7.62x54R cheaper then I can reload them and dont reload 22 LR for obvious reasons.
I also have a couple 50 cal muzzle loaders.

to include the shotguns and inline there are 20 different calibers and gauges in the shed...

Rifle
.22 lr
.22 mag
.223
.220 Swift
.223wssm
25/06
7mm Rem Mag
.30/30
300 WSM
300 RUM

Pistol
.22lr
.380
9mm
.38
.357 Mag
.44 mag

.50 cal Muzzlw loader

I'll shoot six including shotguns; a 30-06, 300 WBY Mag, 22 LR, 41 Magnum, 12 ga and 20 ga shotguns. Of course I'll shoot even more if someone provides the gun and ammo.

Oh, also I'll shoot my 2314's out of my Reflex bow.

223
243
22-250
7-08
7mm Mag
7.62x39
308
30-06
30-30
303
300RUM
300 Wby
444
9mm, 38, 357, 44, 45LC, 30 Herrett

22LR, 25-06, 44 mag.

After reading some of these lists, I think I need to get a better job.