It’s fast. Like, dangerously fast. If you’ve spent any time in Modern Warfare III or Warzone lately, you know exactly which weapon is causing all the controller-smashing rages. The BP50—based on the real-world FN F2000—is basically a submachine gun trapped in an assault rifle’s body, and honestly, it’s kind of a mess for anyone trying to play against it.
Most Call of Duty rifles feel heavy. They have that slow, chunky transition from sprinting to aiming that gets you killed in a doorway. The BP50 doesn't care about those rules. It’s got a fire rate that sits somewhere around 857 rounds per minute, which is faster than several actual SMGs in the current pool. If you aren't using it, you're probably losing to it.
What Most People Get Wrong About the BP50
A lot of players think they should build this thing for long-range beam shots. That is a massive mistake. If you try to challenge a SVA 545 or a Holger 556 at 60 meters with this, you are going to get out-gunned every single time because of the horizontal bounce. The BP50 is a mid-range specialist. It thrives in that awkward space where a rival player thinks they are safe behind a head-glitch, but you’ve already put four rounds into their chest before they can even center their aim.
People see the "Assault Rifle" tag and expect a traditional experience. Forget that. Treat it like a high-capacity SMG. The bullpup design means the weight is at the back, which in game-logic translates to better handling. You can actually strafe while firing fast enough to make an opponent miss half their magazine.
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The Conversion Kit Factor
Then there’s the JAK Shearless Kit. This is where the gun gets weird. It turns the BP50 into a submachine gun officially, removing the stock and ramping up the movement speed to levels that feel almost broken. If you're playing Rebirth Island or any small-map moshpit, this is the meta. It’s not just "good"; it’s the definitive choice for aggressive players who can't stand the slower pace of the standard AR class.
Sledgehammer Games really leaned into the modularity here. You have to look at the stats: a base sprint-to-fire time that rivals the Striker, but with the damage drop-off curves of a rifle. It shouldn't work. It feels like a developer oversight that stayed in the game because it was just too much fun to delete.
Why the BP50 Still Matters in the Current Meta
The meta shifts every two weeks. We’ve seen the DG-58 come and go. We saw the RAM-7 get nerfed into the ground. Yet, the BP50 remains. Why? Because fire rate is king in Call of Duty. High fire rate is more forgiving. If you miss one bullet with a slow-firing gun like the Sidewinder, your Time to Kill (TTK) skyrockets. If you miss a bullet with the BP50, the next one is already leaving the barrel.
The recoil is the only thing keeping it from being 100% of the lobby. It pulls up and to the right, but it’s a "jittery" recoil. It isn't a smooth line. It vibrates. This makes it harder for casual players to use, which is exactly why the pros and high-KD streamers love it. They can control that jitter, and once you do, the gun becomes a laser.
Real Expert Tips for the Underbarrel
Stop putting the heavy support grip on everything. I know, every YouTuber tells you to do it. But on the BP50, you actually want to look at the DR-6 Handstop. Why? Because this gun is about speed. If you slow it down with heavy attachments, you’re stripping away the one reason to use it over a MCW. You want to lean into the "snappiness." Use the Lore-9 Vertical Grip if the kick is too much, but don't turn this into a slow LMG-lite.
The History of This Gun for Call of Duty Fans
Long-time fans remember this as the F2000 from the original Modern Warfare 2 (2009). Back then, it was widely considered one of the worst guns in the game. It had a weird, circular 1.5x scope and recoil that felt like holding a fire hose. Seeing it return as a top-tier meta pick is a bit of a redemption story.
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It’s a nostalgic piece of tech. The futuristic "tuna fish" silhouette is unmistakable. But the 2024/2025 version is a beast compared to its ancestor. It’s been refined. The developers gave it a cleaner sight picture and a magazine capacity that actually allows for squad wipes without reloading every three seconds.
Damage Profiles and Specifics
At close range (up to about 20 meters), you're looking at a chest-shot TTK that competes with the top-tier SMGs. Specifically, it hovers around the 600ms mark depending on your plate count in Warzone. In standard Multiplayer, it’s a four-shot kill. That is blistering.
- Headshot multiplier: 1.4x
- Neck multiplier: 1.1x
- Torso: 1.1x
- Limbs: 1.0x
If you can land just one headshot in your burst, you drop the shots-to-kill requirement significantly. That's the secret sauce. Because it fires so fast, the flinch often carries your reticle right into the enemy's forehead. It’s almost accidental.
Mastering the Recoil Pattern
Go into the firing range. Seriously. Don't just jump into a match. Stand five meters from the wall and fire without touching the right stick. Look at the "S" curve it draws. Now, move back to 20 meters. Notice how the gaps between the bullet holes get wider at the top.
To master this, you need to pull down and slightly to the left for the first ten rounds. After that, it settles into a vertical climb. If you try to fight the horizontal bounce too hard, you’ll overcompensate and miss. Just let it breathe a little. The gun wants to go up; let it go up, just keep it centered on the chest.
Actionable Next Steps for Your Loadout
If you want to actually win your next few matches, stop using the default iron sights. They are cluttered and block too much of your peripheral vision. Slap on a Nidar Model 202 or the MK.3 Reflector.
Next, check your magazine. The 45-round mag is the sweet spot for Multiplayer. For Warzone, the 60-round drum is mandatory. Don't even try the 60-round in small-map MP though; the movement penalty is too high, and you'll feel like you're running through waist-deep water.
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Focus on these three specific changes to your setup:
- Swap your muzzle to the Komodo Heavy or the Casus Brake to kill that horizontal sway.
- Use the CCG Short Barrel if you're playing aggressively; the boost to aim-down-sight speed is noticeable.
- Always run the High Grain rounds. The extra bullet velocity is what makes the mid-range shots feel "crispy" and connected.
The BP50 is a high-skill, high-reward monster. It isn't a "braindead" gun like some of the previous metas, but in the hands of someone who understands how to move, it's the most effective tool in the game right now. Go build one for speed, head into a match, and stop trying to use it like a sniper rifle. You'll see the difference immediately.