After the new update almost everyone could buy a weapon from an ammunition. But there is no command in game or any guide about the locations of ammunition.
There are 7 ammunition where you could buy weapons in San Andreas.
- Main Ammunition at Market
- Marina Ammunition
- Willowfield Ammunition
- Blueberry Ammunition
- Las Venturas Ammunition
- Angel Pine Ammunition
- San Fierro Ammunition
Main Ammunition
Owned by - Adam Cooper
Business ID - 151
Entrance Fee- $11500
Marina Ammunition
Owned by - Ruvik Victoriano
Business ID - 173
Entrance Fee- $20000
Willowfield Ammunition
Owned by - John Rambo
Business ID - 323
Entrance Fee- $9999
Blueberry Ammunition
Owned by - Adam Cooper
Business ID - 343
Entrance Fee- $1250
Las Venturas Ammunition
Owned by - Adam Cooper
Business ID - 344
Entrance Fee- $1750
Angel Pine Ammunition
Owned by - Adam Cooper
Business ID - 174
Entrance Fee- $1750
San Fierro Ammunition at Ocean Flats
Owned by - Adam Cooper
Business ID - 342
Entrance Fee- $1750