ThermoBak Mil Spec Crux ( 3L/100oz)

The ThermoBak Mil Spec Crux 3L hydration system delivers reliable water storage for extended operations and training. Whether you're gearing up in Fremont or elsewhere in the Bay Area, proper hydration management matters. TacticCAL Gun Store handles FFL transfer in Sunnyvale and stocks tactical gear to match your fieldwork needs.

Capacity and thermal retention design

The 100-ounce capacity keeps you hydrated through full operational days without constant refills. Mil Spec construction means this pack handles rough conditions—drops, abrasion, and temperature swings. The thermal design maintains water temperature in variable climates. Whether you're running drills solo or coordinating with a team, understanding your gear options matters. TacticCAL also handles private party transfer process questions if you're building out your complete loadout. Visit our gun store in Sunnyvale for our full catalog.

Frequently asked questions

What's the actual capacity in liters and ounces?

The ThermoBak Mil Spec Crux holds 3 liters or 100 ounces. That capacity covers most operational scenarios without needing a secondary hydration source during standard field operations.

Is this pack compatible with standard drink tubes and bite valves?

Yes. The ThermoBak Mil Spec Crux uses industry-standard connection points, so replacement tubes and valves from major manufacturers will fit and function properly.

What do I need to bring for DROS in California?

Bring a valid California driver's license or ID card, proof of residency, your Firearm Safety Certificate (FSC), and payment for the firearm and transfer fees. Find FFL dealer Campbell at TacticCAL.