Reload and Actually Practice — One Pack Does Both
Here’s the thing about the Mace Pepper Gun 2.0: it’s a point-and-shoot design, which means aiming matters more than it does with a traditional spray canister. The water practice cartridge lets you run through the motions — draw, safety off, aim, fire — using actual water instead of OC. That’s a real benefit. A tool you’ve practiced with is one you’ll use correctly under pressure.
The OC cartridge is a straight replacement for the one that came with your Pepper Gun 2.0. Same formula, same 7-burst, 20-foot performance. The water cartridge is the same form factor, just filled with water, so everything about the handling and operation feels identical during practice.
Who This Refill Pack Is For
This is the right pick if you’ve been meaning to practice with your Pepper Gun but didn’t want to burn through a real OC cartridge doing it. Load the water cartridge, run through a few practice draws in the backyard, get familiar with the trigger pull and aiming point. Then load the OC cartridge and put the water one away for next time.
Also a good choice if someone new to the Pepper Gun is going to be using it — a family member, a partner, anyone who needs to get hands-on with the device before relying on it. The OC/Water pack is a smarter first reload than the double-OC pack in that situation.
Is This the Right Choice for You?
Choose this OC/Water dual pack if you:
- Want to practice with your Mace Pepper Gun 2.0 without using up your live OC cartridge
- Need to introduce someone else to the Pepper Gun — practice first, then load live
- Are picking up your first reload and want the most versatile option
Consider something else if you need:
- Two live OC cartridges — the Mace Pepper Gun Dual OC Refill Pack is the right call for stocking up on OC rounds only
- A complete Pepper Gun unit — this is refills only, not a full device
Why the Practice Cartridge Actually Matters
Most self-defense tools get bought and put away. The practice cartridge is a simple way to break that habit. Load it up, go outside, run through a few scenarios — draw from a bag or holster, disengage the safety, aim at a target on a fence post, fire. The trigger pull and grip are identical to using the live cartridge. When you’re done, reload the OC cartridge and put the water one away for the next practice session.
It also helps if your Pepper Gun has been sitting for a while. Working the trigger and confirming the operation is smooth with a water cartridge costs nothing and gives you real confidence that the unit is functioning correctly. The water cartridge is reusable for practice until you’ve emptied it — then it’s a spent cartridge like any other.
Quick Comparison: OC/Water Pack vs. Dual OC Pack
| Feature | OC/Water Dual Pack | Dual OC Refill Pack | Comes With Pepper Gun 2.0 | Standard Canister Spray |
|---|---|---|---|---|
| Live OC Cartridges | 1 | 2 ✓ | 1 | Fixed — not swappable |
| Practice Cartridge | Yes ✓ | No | Yes ✓ | No |
| Good for Training | Yes ✓ | No | Yes ✓ | No |
| Good for Stocking Up | Moderate | Yes ✓ | N/A | N/A |
| Compatible With | Mace Pepper Gun 2.0 only | Mace Pepper Gun 2.0 only | N/A | N/A |
| Best For | First reload + practice option | OC stock-up, no practice needed | First-time buyers | Non-Pepper Gun users |
Practical Details
Contents: 1 OC pepper cartridge + 1 water practice cartridge. Size per cartridge: 0.99 oz. Dimensions per cartridge: 4″ x 1.25″. Weight (both): 0.35 lbs. OC cartridge range: 20 feet, 7 one-second bursts. Compatible with Mace Pepper Gun 2.0 only. 1-year warranty on canister and nozzle from Mace. Check local regulations on OC pepper spray before ordering.
Reload and practice in the same purchase. If you own the Mace Pepper Gun 2.0, this is a sensible pack to keep on hand.
Frequently Asked Questions
Is the water cartridge safe to use indoors?
Yes — it’s just water. No OC, no irritants, no residue issues. You can practice draws and trigger pulls indoors against a target without any of the concerns that come with firing live OC. Just be aware that the water does spray out at the same pressure as the OC cartridge, so aim at something that can handle a little moisture.
How many times can I reuse the water practice cartridge?
Until it’s empty. Each water cartridge gives you the same 7 one-second bursts as the OC cartridge. Once you’ve fired all 7 bursts, the cartridge is spent and needs to be replaced. If you want to practice more, the OC/Water pack here is the most cost-effective way to keep a water cartridge in rotation alongside your live OC.
Can I tell the OC and water cartridges apart?
Yes — the cartridges are color-coded. The OC cartridge is red; the water practice cartridge is blue. Hard to mix them up. Always double-check which cartridge is loaded before you practice or before you put the Pepper Gun away loaded for real use.
Do these cartridges work with any other pepper gun besides the Mace Pepper Gun 2.0?
No. These are designed specifically for the Mace Pepper Gun 2.0. The cartridge form factor is proprietary to that platform. If you have a different brand’s pepper gun, you’ll need to source compatible refills from that manufacturer. For Mace Pepper Gun 2.0 owners, these are the right cartridges.







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