Hiking Backpacks / Source Tactical / Tactical Low Profile 3L Upgrade Kit
Source Tactical

Tactical Low Profile 3L Upgrade Kit

Updated 2026-08-20

This tactical upgrade kit provides a 3 liter low-profile hydration solution that is designed to minimize bulk and maximize efficiency. The coyote-colored reservoir is shaped to distribute water weight evenly, preventing the bulging effect often seen with standard bladders. This ensures a more comfortable and stable carry during fast-paced outdoor activities.

The kit comes equipped with a universal tube adapter, which simplifies the process of refilling the reservoir from bottles or taps without needing to open the backpack. This feature is a significant advantage for hikers and tactical users who need to replenish their water supply quickly while on the move in challenging environments.

Built with high-quality materials, the system is designed to be puncture-resistant and long-lasting. The glass-like film technology inside the bladder prevents biofilm buildup, ensuring that the water remains clean and tastes natural. It is an excellent choice for upgrading an existing pack with a more professional and reliable hydration component.

Tactical Low Profile 3L Upgrade Kit
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Source Tactical
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Hydration bladders 3 Liter reservoir

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