Hitman HD Pack

There are a few handguns that need collecting here to unlock this achievement. Note - The achievement will not unlock until you either a)return to the garden shed or b) start the next mission.
All handguns must be present in the shed for this to unlock. If you drop one in a mission, you must recollect it.

Silverballers - Default gun

Silverballers SD - 1 SA rating on any level
Sawn Off - NOTE - This seems to count as a handgun for some people. If you can't unlock it, try getting this gun. 3 SA ratings on any level.

9MM - All over the place. Every level has a 9mm pistol.
9MM SD - Easiest one, is the start of "Invitation to a Party" drop off. Plus, many many guards hold these.
D.Eagle - Terminal Hospitality guards have lots. Or, the Point of Interest in "Anathema".
Revolver - The Don carries this in Anathaema. Also, the female bodyguards in the jacuzzi.

.54 Pistol - The Spetznaz agent in "Invitation to a Party" has this. It's the only one in the game.
.22 Pistol SD - This is found in "Shogun Showdown", in the museum where you collect the guidance display. Its on another display in the corner. This is the only one in the game.


And thats them all! Any questions, just ask.

To unlock this achievement, you must find and collect all of the hand guns within the game and finish the mission they are found in. you must be carrying them in you inventory when you finish .you will begin each mission with 1 of them, the 'Silverballers', so you don't need to find
them

GK17
The GK17 can be found during 7 different missions. During 'Beldingford Manor' and 'Traditions of the Trade' they are carried by the guards. During 'Deadly Cargo', 'The Seafood Massacre' and 'Hunter and Hunted' they are carried by policemen. Some members of the Blue Lotus Triad are carrying 1 during 'Slaying a Dragon' and 1 of the patrolling guards will be carrying it during the training mission.

CZ2000
The CZ2000 can be found during 4 different missions. During 'The Meat King's Party' and 'Rendezvous in Rotterdam', the various enemies and guards will be carrying it. During 'The Bjarkhov Bomb', Fabian Fuchs will be carrying 1 and you can also find it during 'Asylum Aftermath' on a table near the elevator and on the dead bodies of the agent 48's.

SG220.S
The SG220.S can be found during 4 different missions. You can find it on a desk in Sergei Bjarkhov's office during 'The Bjarkhov Bomb' and on a desk near the bathroom that Franz Fuchs is showering in during 'Traditions of the Trade'. You can also find this gun in the room with the dead civilian during 'Hunter and Hunted'.

Gold Desert Eagle
There is only 3 specific people carrying this gun over 3 different missions. During 'Beldingford Manor', Alistair Beldingfords companion will be carrying it and during 'Rendezvous in Rotterdam', Rutgert Van Leuven will be carrying it. This gun is also carried by Zun during 'The Lee Hong Assassination'.

Magnum 500/Dual Magnum 500
You can acquire the Magnum 500 from some of the bikers during 'Rendezvous in Rotterdam' and from the bodyguards during 'Traditions of the Trade'. During 'The Seafood Massacre, the police chief will be carrying 1 as will Boris Ivanovich Duruska, during 'Deadly Cargo'.

Silverballer .S
you can get it from the Lawyer in the Meat King Party level.



You can acquire the following from getting a silent assassin rating on the stated mission
Mission 1:
CZ 2000 Dual Pistols
Mission 3:
Silverballer Silenced Dual Pistols
Mission 4:
Magnum 500 Dual Pistols
Mission 7:
SG220 .S Dual Pistols
Mission 10:
GK 17 Dual Pistols

You will also need to find the dual gold desert eagles during the mission 'Asylum Aftermath', but first you need to acquire a key card on the ninth mission 'The Wang Fou Incident', which can be found on Lee Hong's desk. After acquiring the key card, you need to return to the mission 'Asylum Aftermath' and you will need to find your way to a cryo lab. The best way to find this is to follow the green escape route on the map, then when you reach a passageway with a short staircase, you will find the lab at the bottom of these stairs. The dual gold desert eagles are just behind the door, that you need the key card to unlock.

the achievement will unlock upon entering the training room if they are all being displayed