RPG-7

The RPG-7 is a rocket launcher featured in Call of Duty 4: Modern Warfare, Call of Duty: Modern Warfare 2 and Call of Duty: Black Ops.

Singleplayer
In single-player, it is often used by OpFor, Ultranationalists, and Loyalists. It can be used to destroy Mi-24s and BMP-2s and ammo is often available.

If the infinite ammo cheat is on, (single-player only) it fires indefinitely, making it the most lethal weapon to use the cheat with (along with the more controllable M203). However, this is counteracted by the fact that after a few shots, the player will have moved back from their original position significantly, possibly putting them in danger of a close-range explosion, and that after the first shot a huge trail of smoke obscures the players view, making it impossible to aim effectively. Finally, if a rocket hits a nearby wall, the weapon's lethality can be experienced by the player, or their teammates, resulting in the player being killed by his or her own rocket.

Multiplayer
In multiplayer, it can be used as a Tier 1 Perk, which will allow the player to spawn with 2 RPG rockets. However, this perk cannot be accessed if a player's primary weapon has a grenade launcher or grip attachment. The RPG cannot be hip-fired, as pulling the right trigger automatically brings up the sights. RPGs are extremely inaccurate outside of medium range, as the rockets' flight path tends to corkscrew wildly beyond that. It is the main anti-vehicle weapon in the game.

The RPG is typically used to shoot down enemy helicopters, as it is one of the few weapons that can do any significant damage to it in a single shot. One shot from a RPG alone will not be enough to bring down a helicopter, however, and a second RPG or a few more shots from a primary weapon are required to bring one down, since one direct hit with an RPG does 1000 damage to a helicopter which sports 1100 Health; however Sonic Boom makes the RPG do 1250 damage so that it can destroy a chopper with a single shot.

Call of Duty 4: Modern Warfare (Nintendo DS)
The RPG-7 appears as the only launcher in the Nintendo DS version of Call of Duty 4: Modern Warfare. The DS variant of this weapon is almost identical to the console version in terms of damage and reload time. Differences include the sights, the fact that it can be hip fired (though no reticule appears, forcing the player to use the sights for mid to long range combat), and it will leave a burn mark wherever it hits.

Singleplayer
In single player, the RPG-7 is available for pickup in the levels "First to Fight", and "Intervention". In "Intervention", if the player quickly kills the OpFor soldier using it, the player can use it to take down an Ultranationalist Mi-24. It can be seen being used by enemies in certain levels such as "Hard Impact" and "Exodus".

Multiplayer
In multiplayer, the RPG-7 is available again. But unlike the console and PC multi-player, the RPG-7 is available as a primary weapon, not a perk (since there were no perks on the DS at that time). When selected, the player will spawn with one rocket in the launcher and five in the reserve ammunition, as opposed to two in the console and PC versions. However, once the rockets are used up, the player will be forced to use his/her side arm or swap the RPG for another weapon, making this an uncommon weapon in multiplayer.

Singleplayer
The RPG-7 returns in Call of Duty: Modern Warfare 2. It is used by the OpFor, Brazilian Militia, and Russian Army in single player, and is available in Special Ops. The RPG has different skins in the campaign, ranging from normal, tan color to white in the snowy missions.

Multiplayer
In multiplayer, it is unlocked at level 65. It is one of the three launchers that come with two shots. The RPG-7 remains extremely inaccurate at long ranges, where it tends to curve off course though it is still far more accurate than it used to be in Call of Duty 4. Since it's an unguided rocket, flares from killstreak aircraft will not affect the projectile. However the RPG isn't a useful anti-aircraft weapon because the RPG-7, like the AT4, does not inflict as much damage to aircraft as compared to the other launchers (with many aircraft able to survive a direct hit from one) in addition to the rocket's inaccuracy and inability to track targets. It is only very useful against Harriers, due to their stationary position, or Pave Low's because they are large and fly low, or attack helicopters if they fly low.

The RPG-7 can only be fired via its rather bulky iron sights and cannot be fired from the hip. It has a very slight delay between pushing the fire button and the rocket actually firing. Because it travels generally in a straight line, the RPG-7 handles quite differently from the Thumper or the under-barrel launchers, which fire grenades in a ballistic trajectory. Instead of aiming directly at an enemy soldier, it is most effectively fired at a wall, the ground, or a ceiling near the enemy allowing the splash damage to kill the target.

While the RPG-7 can strike helicopters, harriers, and other airborne targets and the unguided projectile obviously won't track countermeasures, it lacks the power to bring down some targets in a single shot. The only air vehicles that the RPG-7 can take down in one shot is the UAV and Counter-UAV, all of which fly very high and are very small or fast, making them nearly impossible to hit. Players looking for an anti-aircraft weapon would do better with the Stinger.

For this reason many people use this weapon as an anti-personnel weapon. Many people may run around the map with an RPG-7 and try to get multi-kills and gain large amounts of XP. This is most common in large team games, where enemies tend to crowd around objectives or are spawn trapped. On maps such as Wasteland and Afghan, it is widely used to clear out bunkers. A popular tactic is to use the RPG's with a rifle with an under mounted Grenade Launcher with Scavenger and Danger Close, greatly enhancing the power of the RPG's. However, this is commonly looked down upon by most players.

The RPG's iron sights are somewhat obstructive, blocking the view of some of the area that the player is aiming at.

Call of Duty: Modern Warfare: Mobilized
The RPG-7 appears again in Call of Duty: Modern Warfare: Mobilized as one of the three launchers available in game. It is the same as its previous counterpart, but uses a scope instead of iron sights and can't be hip fired.

Call of Duty: Black Ops
It has been confirmed that the RPG-7 will appear in the upcoming game Call of Duty: Black Ops.

Tips

 * Aim the RPG-7 at the ground near the player's enemy, the ground the enemy is standing on, or at a wall near where the enemy is standing. This is the highest possibility of getting a kill with the RPG-7 and works very well in taking out enemies that are close to each other. As the RPG-7 is highly inaccurate at long-range, this will most likely get a kill or more for close- to mid-range targets.
 * If the player is going to use the RPG-7 in close-quarters, it is a good idea to carry a Blast Shield as the RPG-7 can easily inflict heavy damage to or kill the player in close-combat, especially on small maps such as Rust.
 * It is not recommended to use the RPG-7 to take out aerial killstreaks that fly or hover at a high altitude. Such killstreaks include AC-130s, UAVs, Counter-UAVs, high-flying Harriers, and Helicopters. It can be used to get Cold-Blooded Pro, because when someone shoots a helicopter down with the RPG-7, it starts to spin and every shot from a gun that hits the chopper since it started spinning, counts as a destruction towards the Cold-Blooded Pro challenges. A recent patch removes XP gained from this, but has not yet fixed the bullets from counting towards the challenge.
 * Using the RPG-7 while crouching decreases the amount at which the weapon idles. However, this has no effect on the midair twisting and turning.
 * If the player can manage to hit a Harrier, Attack Helicopter, or Chopper Gunner once with an RPG, they can easily take it down with bullets from there.
 * It is possible to get a headshot with this weapon.
 * Using this weapon with perks such as Sonic Boom or Danger Close extends the lethality of this weapon.
 * Some players choose to just run into the enemy's area and just fire it close range killing or hurting themselves and enemies.
 * If faced with an enemy only a few feet away, jump and quickly aim downward toward their feet and shoot the RPG. Jumping will create a better angle so the player does not have to kill himself with the RPG's explosion.
 * The RPG-7 greatly benefits from reload canceling.
 * The RPG-7 does not have to hit the helicopter's body, it can hit the helicopter's blades to inflict damage.
 * For long range RPG-7 shots, try aiming ahead where the enemy will be, and then jump and shoot in mid-air. Shooting at the top of the jump almost always makes the RPG missile go straight enough for an accurate kill.
 * If enemy players are holed up in the plane on the Modern Warfare 2 map Terminal, an easy way to flush them out is to position oneself in the windowed walkway, and put a rocket straight through the cockpit window. If this doesn't kill them, it can frighten them out of their hole.

Trivia

 * Sometimes, when the RPG is shot and the player is killed as it flies toward the enemy, the rocket will disappear. This can be seen in the killcam due to the fact that the smoke trail stays but the rocket is not seen.
 * When watching somebody else firing it, smoke will come out of the launcher, but the rocket will seem to stay inside the launcher as the rocket is part of the weapon model.
 * The RPG-7 also appears on 3 different titles. Sonic Boom (Which is a reference to the Call of Duty 4 perk), Big Bada Boom, and Kill for Good.
 * The RPG-7's serial number is 0108SD-IW.
 * The pickup icon shows a scope optic on the launcher.
 * In the level "Museum", the player can have the RPG of the shelf and a RPG picked up from a dead enemy at the same time, similar to how the player can pick up two Desert Eagles in the Call of Duty 4 level "Crew Expendable".
 * In Modern Warfare 2, the kill icon for the RPG shows it with a scope instead of iron sights.
 * After a rocket has hit it's target it will emit some green smoke, this maybe a refrence to the movie G.I. JOE where Stormshadow fires a modded RPG that has nanites that look like green smoke.

Video
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Gameplay with the RPG-7 in Modern Warfare 2