Exquisite Taste

Exquisite Taste is a gameplay achievement/trophy for Red Dead Redemption.

Description
The official description of the achievement/trophy is: "Purchase a rare weapon from a gunsmith."

Completing this task rewards players with either 10 points on the Xbox 360 or a bronze trophy on the Playstation3.

List of Weapons
These weapons are the:
 * Carcano Rifle
 * Evans Repeater
 * LeMat Revolver
 * Mauser Pistol
 * Semi-auto Shotgun

Tips and Tricks
The Rockstar Social Club website states "The five weapons that make up this category are known to be some of the deadliest a man can possess. John Marston doesn't happen upon many of these weapons until very late in the game, but when they do show up you will be happy to have them at your side. Each one of these weapons can be purchased at various Gunsmiths for what will be a reasonable price.

Accumulating an arsenal this legendary will make you unstoppable and your later missions significantly easier.

Multiplayer Guns.
You can get these guns at a specific level in multiplayer, once level 50 you have unlocked all the legendary guns.

Trivia

 * The weapon in the picture seems to be a Volcanic Pistol, however it is not one of the weapons needed for the achievement/trophy.