Inventory (Weapons and Gear)

silent, undetectable (Hokkaido mastery)
loud (Default)
silent, steady aim (Paris mastery)
auto, high recoil (Marrakesh mastery)
silent, subsonic, ghost bullet (Bangkok mastery)
silent, extended magazine (Paris mastery)
silent, shiny (dlc)
silent (Default)
silent, auto (Bangkok professional mastery)
loud, blast effect, piercing (Hokkaido escalation)

undetectable can not be detected when being frisked for weapons
steady aim accurate shot while holding the shift key
subsonic minimum trigger and impact sound
ghost bullet can be shot any where without anyone hearing it
blast effect the bullet impact will throw any Npc far away
piercing can kill multiple Npcs if close to each other

silent, subsonic, steady aim (Paris mastery)
silent, subsonic, steady aim (Sapienza challenge)
silent, 3x zoom, time slowdown (Hokkaido mastery)
silent, 4x zoom, steady aim, time slowdown, blast effect, ghost bullet (Marrakesh escalation)
silent, subsonic, steady aim, extra ammo (Bangkok mastery)
2x zoom, piercing, time slowdown (Sapienza mastery)
silent, 3x zoom, time slowdown, music (Colorado professional mastery)

subsonic minimum trigger and impact sound
steady aim accurate shot while holding the shift key
time slowdown time slows down while zooming
blast effect the bullet impact will throw any Npc far away
ghost bullet can be shot any where without anyone hearing it
piercing can kill multiple Npcs if close to each other
music plays Ave Maria while zooming

loud (Default)
extra ammo, fast reload (Sapienza mastery)
silent (Bangkok mastery)
loud (Default)
silent, stable, steady aim (10x escalation)
silent (Paris mastery)

stable low recoil
steady aim accurate shot while holding the shift key

silent (Colorado mastery)
silent (Marrakesh challenge)
silent, steady aim (Colorado mastery)
loud (Default)
silent (Marrakesh mastery)
silent (Colorado challenge)

steady aim accurate shot while holding the shift key

opens traditional doors (Default)
opens electric doors, a set of 3 pieces (Colorado mastery)
music, remote trigger (Bangkok mastery)
a set of 3 pieces (Bangkok challenge)
ignites flammables (Sapienza Landslide challenge)
a set of 3 pieces (Default)
annoying, remote trigger (Sapienza challenge)

music plays music to attract/distract Npcs
annoying plays a loud and very annoying sound to attract/distract Npcs

non-lethal, injected (Sapienza professional mastery)
non-lethal, added to food and drinks (Marrakesh mastery)
non-lethal, injected (Colorado mastery)
non-lethal, added to food and drinks (Paris mastery)
lethal, injected (Bangkok challenge)
lethal, added to food and drinks (Sapienza challenge)
lethal, injected (Default)

legal, sound effect, visible (Paris escalation)
lethal (Marrakesh mastery)
undetectable, lethal (Hokkaido mastery)
silent, auto drag (Default)
lethal, visible (Hokkaido challenge)
non-lethal (Sapienza challenge)
undetectable, non-lethal (Colorado mastery)
non-lethal, breaks on impact (Marrakesh professional mastery)
non-lethal, visible (Hokkaido professional mastery)
non-lethal, visible (Hokkaido mastery)
lethal (Marrakesh A House Built On Sand challenge)
lethal, visible (Bangkok mastery)
lethal (Hokkaido mastery)

legal legal to carry while wearing the clown suit
sound effect makes funny sounds when hitting Npcs
visible can not be hidden
undetectable can not be detected when being frisked for weapons
auto drag auto drags the body for easier hidding

undetectable, unsuspicious, manual trigger (Hokkaido mastery)
auto triggered (Default)
music, suspicious, remote triggered (Paris professional mastery)
carry on, remote triggered (Bangkok mastery)
remote triggered (Paris mastery)
auto triggered, wide range blast (Marrakesh mastery)
suspicious, auto triggered (Sapienza mastery)
remote triggered, wide range blast (Colorado mastery)
music, suspicious, auto triggered (Sapienza The Icon challenge)
opens doors, remote triggered, attachable to doors and walls (Sapienza mastery)
remote triggered, suspicious (Marrakesh mastery)
remote triggered, suspicious (Dlc)

undetectable can not be detected when being frisked for weapons
manual trigger triggered with a gunshot or when exposed to fire
music plays music to attract Npc
carry on Npc would pick it up and keep it on
suspicious not forbidden to place or drop