Here is the full list of all 30 Gunsmith Simulator achievements.
Finished first contract
Earned $10.000
Destroy 10 watermelons
Win your first auction
Own 10 different guns.
Finish CQB without any mistakes
Fully disassemble 10 different weapons
Score 10 points using a Colt M1911 in 300 meters
Learn every gunsmith skill from Grandpa Larry
Customise an owned gun with at least 4 attachments
Use a CNC machine for 10 parts that can be modified in the game
Score at least 60 points in One Mag Challenge using Colt Peacemaker
Have at least 35 weapon parts in your inventory in the same time
Add sticker to your gun
Find and rescue Uncle Dave
Spend total of 2000$ for rent
Have 4 contracts at the same time
Complete total of 50 contracts
Clean total of 100 weapon parts
Remove rust from total of 60 weapon parts
Create total of 40 wooden parts
Complete One Mag Challenges using every weapon
Change gun configuration 20 times
Buy a gun in very bad condition, fix it and then sell
Spend 1000$ more than you should spent on weapon parts at once
Paint total of 15 weapons
Change your own, single gun configuration 3 times
Complete a contract for every type of weapon
Don’t pay your debt until problems arrive
Complete disassembly challenge for 10 different weapons