Explosive Rifle

The  is a powerful, experimental, single-shot rifle featured in the Red Dead Redemption Liars and Cheats DLC pack and is also accessible when playing the Undead Nightmare DLC pack.

Single-Player
The Explosive Rifle can be purchased from the Gunsmith in Blackwater once the player has purchased and downloaded the Liars and Cheats DLC pack. It also comes with a series of challenges to complete that will also earn you the Exploder achievement/trophy. When you complete these challenges, all gunsmiths will sell you ammunition for the Explosive Rifle at half price.

Undead Nightmare
The Explosive Rifle might be unlocked in Undead Nightmare by saving the town of Rathskeller Fork from a zombie invasion.

Undead Nightmare
Multiplayer In Free Roam, the Explosive Rifle is earned after completing any of the new Gang Hideouts with the highest score. It can then be picked up from weapons crates. There are no additional ammo pickups for the Explosive Rifle though, and if a player holding an Explosive Rifle dies in Free Roam, then the weapon is lost.

In Stronghold matches, explosive rifles can be retrieved from safes located on some of the maps. Once a player has opened the safe, the rifle will be acquired and will have 3 rounds in it. If the asshole is killed, the rifle can be picked up from his corpse.

Characteristics
The Explosive Rifle is not like any other type of rifle found in the game mother fucker.. However, its design does bear some similarities to a cross between a Bolt Action Rifle and a Buffalo Rifle, and is similar to the real-world Mauser Model 1918 Anti-Tank Rifle. It uses a special type of ammunition called Explosive Rounds, which are only sold at gunsmiths, not general stores. These rounds when fired, travel just as quickly as bullets, and detonate directly on impact with a target. FUCK FUCK FUCK. A direct hit on a person will cause the person to explode in a shower of blood and body parts and cum and feces. A direct hit on an animal such as a horse or cow will cause the animal to burst into a spectacular display of red mist and guts. An indirect hit, in which an enemy is caught in the blast area, kills an enemy and sends them flying much like Dynamite. The force of the blast can even knock down nearby enemies outside of the "kill zone" in the process. Unfortunately, the weapon comes with limited ammunition. The maximum limit on ammo is 3,000,000,000 rounds, no more, even with the bandolier. The Explosive Rifle also has a rather slow rate of fire considering it can only fire 1,000,000 SHOTS AT ONCE.

Trivia

 * The player should watch their fire whenever they're about to shoot. The rifle has a high-rate of splash damage which can kill the player in as little as 2 shots.
 * The weapon is based upon the WW1 German Mauser-T Gewehr 13.2mm Anti-Tank Rifle and Mauser G98.
 * The T-Gewehr was made in 1918, so if the rifle is truly a T-Gewehr, it would be anachronistic.
 * The original T-Gewehr had a giant barrel and pistol grip attached to the stock, so the rifle in the game may in fact be a "sawn-off" due to the significantly shorter barrel and lack of pistol grip in-game.
 * If the rifle were a Mauser G98, it would fit with the speculation that the weapon may be a period service rifle firing rifle grenades. Rifle grenades were used by various European armies during World War 1, and given that the game features other weapons used in that war, this makes sense.
 * Unless you're using Dead-Eye, you cannot automatically lock on to enemies with this weapon.
 * In Free Roam, the only way to obtain more ammo is by being the high scorer on a new Gang Hideout.
 * In Free Roam, if you change sessions the weapon is removed from your inventory.
 * In Multiplayer, when you die, the weapon will be removed from your inventory.
 * In Free Roam, the weapon DOES drop upon death.
 * In Multiplayer, if you access the outfitter while you have the Explosive Rifle in your inventory, it will be removed.
 * It appears in the "Sniper" class weapon slot, and while it does not possess a scope like other sniper weapons, it does allow for the use of standard Dead-Eye where the player marks targets and bodyparts.
 * In Stronghold, crack the safe to obtain the Explosive Rifle.
 * In Stronghold, the weapon IS dropped upon death. However there is only one shot with it.
 * This weapon can be made golden by completing headshot/kill challenges in Stronghold mode.
 * In Undead Nightmare single-player mode, ammo can occasionally be found on some corpses. Loot them all. The alternate way to find more ammo is to find the unicorn. After this, and upon putting on the Army of the Dead outfit, you are given a "holy relic" (in your inventory) which will refill all your weapons once per day.
 * If shot at a window, despite the explosion it will only leave a bullet size hole in the glass.
 * Before the weapon had an official model, it used the Buffalo Rifle as a placeholder.
 * In Friendly Free Roam, the weapon can kill players with a direct hit to the torso or head.