Uncharted 4: A Thief’s End: I Accidentally All the Guns

Uncharted 4: A Thief’s End™
I Accidentally All the Guns (BRONZE)
Use every weapon in the game #PlayStationTrophy

Below is a checklist of all the weapons available in the weapons bonus menu (load up the ship graveyard encounter and get one kill per weapon):
Aegis 9mm
Fossa R-81
Raffica
Pistole
Barok .44
Flintlock
Para .45
AK-47
XCR
FAL
ARX-160
HS39
Mettler M-30
Copperhead SR7
MP34a
Mazur LDR
M14 Custom
Spezzotti 12 Gauge
Condor
China Lake GL
RPG

These are the locations of the remaining 7 weapons:
Powder Keg: Ship Graveyard encounter, Chapter 20
DShK: This is the machine gun carried by armored enemies – Ship Graveyard encounter, Chapter 20
Explosive Barrel: The Tunnels encounter, Chapter 9
Red Explosive Barrel: At the beginning of chapter 14 on the left
Propane Tank: Bridge encounter, Chapter 8
Turret: The Tunnels encounter, Chapter 9
Grenade: Pretty much anywhere
Dynamite: Bridge encounter, Chapter 8