Unlock Weapons cheats for Metal Gear Solid: Peace Walker

Unlock Weapons

When you complete the indicated task or mission the corresponding weapon will become available.

Handguns

Unlock Air strike Marker:

Complete Main Op: Chrysalis.

Unlock Banana:

Complete Extra Op 35.

Unlock C96:

Complete Extra Op 20 with an 'S' rank.

Unlock Custom M1911A1:

Complete Extra Op 34 or Extra OP 50.

Unlock EZ gun (LR):

Complete Extra Op 32.

Unlock EZ gun (MR):

Use the sleep CODEC and Paz will drop it in Extra Op 67.

Unlock K. Pistol:

Complete Outer Op.

Unlock M19:

Complete Extra Op 9.

Unlock M1911A1:

Complete Main Op: Contact the Sandinista Commander.

Unlock PB/6P9:

Complete Main Op: Zadornov Search 6.

Unlock PM:

Complete Extra Op 16.

Unlock Supply Marker:

Complete Main Op: Laboratory.

Shotguns

Unlock CAW:

Complete Outer Op.

Unlock M37:

Complete Extra Op 28.

Unlock SPAS-12:

Complete Extra Op 62.

Unlock Twin Barrel (STN):

Complete Extra Op 23.

Unlock Twin Barrel:

In Bananeru Furuta (west chamber) in Main Op: pursuing Amanda.

Assault Rifles

Unlock ADM63:

Complete Extra Op 45.

Unlock ADM65:

Complete Outer Op.

Unlock FAL:

Bananeru Furuta de Oro area in Extra Op 36.

Unlock G11:

Complete Extra Op 48 with an 'S' rank.

Unlock M16A1 (grenade and laser):

Complete Extra Op 55 with an 'S' rank.

Unlock M16A1 (grenade):

Complete Extra Op 25.

Unlock M16A1 (laser sight and shotgun attachment):

Complete Extra Op 46.

Unlock M16A1 (shotgun attachment):

Below the bridge in Extra Op 23.

Unlock M16A1 (smoke grenade and laser):

Complete Extra Op 66 with an 'S' rank.

Unlock M16A1 (smoke grenade):

Complete Extra Op 26.

Unlock M653 (grenade):

Complete Extra Op 47.

Unlock M653 (shotgun):

Complete Extra Op 48.

Unlock M653 (smoke grenade):

Complete Extra Op 49.

Unlock M653:

Complete Extra Op 59.

Unlock Musket:

Random drop by the Rathalos; breaking its head, wings, and cutting off its tail will increase the chance.

Unlock Patriot:

Stun him in Extra Op 68 then check his body for the design.

Unlock RK47 (grenade):

Complete Outer Op.

Unlock RK47 (smoke grenade):

Complete Outer Op.

Unlock RK47:

Complete Extra Op 13 or Extra Op 39.

Unlock RPK:

Complete Underground passage in Extra Op 37.

Unlock SUG:

Complete Extra Op 47 with an 'S' rank.

Submachine guns

Unlock M10 (barrel cover):

Bananeru Furuta de Oro in Extra Op 36.

Unlock M10:

Pursuing Amanda in El Sena.

Unlock M1928A1:

Complete Main Op: Base Infiltration.

Unlock MP5A2:

Complete Extra Op 57 or 49.

Unlock MP5SD2:

Complete Extra Op 37 with an 'S' rank.

Unlock Uz61:

Complete Extra Op 15.

Sniper rifles

Unlock M1C (stamina recovery):

Complete Extra Op 46.

Unlock M1C:

Complete Materials carrying facility in Main Op: Facility.

Unlock M21:

Complete Main Op: Zadornov Search 4.

Unlock M700 (life recovery):

Complete Extra Op 41.

Unlock M700:

Complete Extra Op 58.

Unlock Mosin:

Complete Main Op: Battle Tank T-72U.

Unlock PTRD1941:

Complete Extra Op 50.

Unlock PTRS1941:

Complete Extra Op 49 with an 'S' rank.

Unlock Rail Gun:

Complete Extra Op 115 with an 'S' rank.

Unlock Stealth Gun:

Complete Main Op: Zeke Fight.

Unlock SVD (night vision):

Complete Outer Op.

Unlock SVD:

Complete Extra Op 35.

Unlock WA2000:

Complete Extra Op 65 with an 'S' rank.

Heavy machine guns

Unlock EMW Gun:

Complete Extra Op 79 with an 'S' rank.

Unlock M134:

Complete Extra Op 75.

Unlock M60 (armor piercing):

Complete Extra Op 43.

Unlock M60: Main Op:

Complete Jungle Train Tracks.

Unlock M63A1:

Complete Outer Op.

Unlock MG3 (armor piercing):

Complete Extra Op 44.

Unlock MG3:

Complete Extra Op 31.

Unlock PKM:

Complete Extra Op 28.

Missiles

Unlock C. Gustav (FR. fulton):

Complete Extra Op 98.

Unlock C. Gustav (MP):

Complete Extra Op 24.

Unlock C. Gustav:

Complete Main Op: Chrysalis.

Unlock FIM-43:

Complete Main Op: Helicopter Battle Mi-24A.

Unlock M202A1 (rank 3 and 4):

Complete Extra Op 62 with an 'S' rank or document in Extra Op 107.

Unlock M47:

Complete Extra Op 111 with an 'S' rank.

Unlock RPG2:

Complete Extra Op 30.

Unlock RPG7:

Complete Extra Op 38.

Unlock Sling Band:

Random drop by Gear Rex; breaking its head, claws, and cutting off its tail will increase the chance.

Unlock Sling Post:

Random drop by Tigrex; breaking its head, claws, and cutting off its tail will increase the chance.

Unlock XFIM-92A:

Complete Outer Op.

Throwing weapons

Unlock Air strike marker:

Complete Main Op: Laboratory.

Unlock Chaff:

Complete Main Op: Pupa.

Unlock EM Net:

Complete Extra Op 83 with an 'S' rank.

Unlock Sleep:

Complete Extra Op 27 with an 'S' rank.

Unlock Smoke (color):

In the swamp at Ghar El Sena map in Main Op: Zadornov.

Unlock Smoke:

Complete Research facility in Main Op: Interception.

Unlock Stun:

On second floor of the cabin in Main Op: Pursuing Amanda or Extra Op 22.

Unlock Supply Marker:

Complete Main Op: Pupa.

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