Find out how to set up the best PU-21 loadout for Warzone. Explore the best attachments and how they improve the LMG.

The best PU-21 loadout for Warzone can not only help you win more gunfights, but also possibly matches. The PU-21 LMG has been in the game since the first season of Black Ops 6. The weapon boasts a fast fire rate and a large magazine, allowing you to rain down fire on your targets. However, it is not perfect. Due to its fast fire rate, its recoil can turn out to be troublesome, especially at long-range engagements. Fortunately, this issue can be easily mitigated with the help of attachments.
So, without any further ado, let us take a closer look at the best attachments for the PU-21 in Warzone and explore how they improve the weapon in the game.
Guide to Setting Up the Best PU-21 Loadout for Warzone
To build the best PU-21 loadout for Warzone, you must equip the following attachments:
- Optic: Volzhskiy Reflex
- Muzzle: Compensator
- Barrel: Reinforced Barrel
- Underbarrel: Vertical Foregrip
- Fire Mods: Recoil Springs
Read on to learn how these attachments help you get the most out of this LMG in Warzone:

The Volzhskiy Reflex is a minimalistic optical sight designed for close and mid-range engagements. It provides a clear picture of the targets, improving visibility at range. That said, if you want better magnification levels, you may equip the Jason Armory 2X or the Willis 3X.
The Compensator helps reduce the vertical recoil as well as gun kick. We see a 30% reduction in vertical recoil and a 28% reduction in gun kick. This makes it more accurate for ranged combat. The difference in recoil will be instantly noticeable at ranges beyond 20 meters.
The Reinforced Barrel improves bullet velocity and the damage range of the weapon. Both these metrics see a 15% improvement with it equipped. As for the improvement to bullet velocity, it increases from 820 m/s to 943 m/s. Likewise, the damage range also sees improvement with the base values increasing from 41 meters to 47.15 meters.
The Vertical Foregrip helps reduce horizontal recoil. This improves accuracy at all ranges. The difference will be more noticeable during extended firing, when the recoil becomes erratic.
Finally, the Recoil Springs further improve the accuracy of the PU-21. It reduces both horizontal as well as vertical recoil of the LMG by 8%. Sure, this may not appear to be much at first glance. But it does help a lot in countering the high recoil introduced by its fast fire rate.
That covers just about everything that you need to know to build the best PU-21 loadout for Warzone. This PU-21 loadout can achieve a TTK (Time-To-Kill) of 720 ms at ranges up to 47 meters.
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