Quick answer

If you carry a TASER X2 for self-defense, keep at least one spare two-pack of cartridges. The X2 fires two cartridges before a reload, so a second two-pack restores full dual-shot capability after one or both bays are used. Buy the TASER X2 two-pack for X2 owners; choose the TASER 7 CQ two-pack only if you carry a TASER 7 CQ.

TASER 7 CQ

TASER 7 CQ

Why spare cartridges matter more on a dual-shot device

The X2's advantage is having two cartridges ready at once. That advantage disappears after the first deployment unless you have replacements on hand. A two-pack is the smallest unit that restores both bays, so it is the natural spare quantity for an X2 owner. If you practice with live cartridges, factor that into your count: every training shot consumes a cartridge that will not be available in an emergency.

X2 two-pack vs. TASER 7 CQ two-pack: match the cartridge to the device

Cartridges are device-specific. The X2 two-pack is built for the TASER X2 Professional Series. The TASER 7 CQ two-pack is built for the TASER 7 CQ and is optimized for close range, with a stated firing distance of up to 12 feet. Do not buy one as a substitute for the other; compatibility is determined by the device, not by price or pack size.

What you get in each cartridge and why the details matter

Each cartridge contains a primer, gas capsule, probes, serialized tags, and conductive wires. The serialized tags are part of the cartridge's traceability, and the probes and wires are what actually deliver the charge. This is why cartridge condition and storage matter: a cartridge that has been dropped, exposed to moisture, or left in extreme heat is not a reliable spare, even if it looks intact.

How many spares to keep and where to keep them

A workable baseline for a home-defense or everyday-carry X2 is one loaded two-pack in the device and one sealed two-pack stored as a spare. If you train regularly, add a dedicated practice two-pack so you are not dipping into your defensive stock. Store cartridges in a cool, dry place, and keep them away from the holster's daily wear and moisture. Replace any cartridge that shows damage or has been fired.

Holster choices that support a spare-carry setup

A holster does not hold cartridges, but it affects how quickly you can access the device and whether the cartridge bays stay protected. The Blade-Tech OWB Holster is a Kydex outside-the-waistband option with a universal belt clip, a barrel protector to stop darts in case of accidental misfire, and a safety cover. It is listed as compatible with the TASER Pulse Series, so confirm your device before buying. The TASER 7 CQ Safariland Holster is made for the TASER 7 CQ, with right- and left-handed versions and a carry option. Safariland is a trademark of Safariland, LLC.

Decision rules for buying X2 spare cartridges

  • Match the cartridge to the device first: Buy the Two-Pack of Cartridges for TASER X2 only if you carry a TASER X2. If you carry a TASER 7 CQ, buy the TASER 7 CQ two-pack instead. Compatibility is not interchangeable between X2 and TASER 7 CQ cartridges.
  • Buy at least one spare two-pack: The X2 holds two cartridges. One spare two-pack lets you reload both bays after a deployment or a training session. Minimum viable spare count for an X2 owner is one sealed two-pack.
  • Separate practice cartridges from defensive cartridges: If you fire live cartridges in training, keep a dedicated practice stock so your defensive two-pack stays sealed and undamaged. Do not train down your emergency supply.
  • Inspect before you rely on a cartridge: Check for damage, moisture exposure, or signs of heat stress. A cartridge that has been fired is spent and must be replaced. A damaged cartridge is not a spare; it is a liability.

Product facts

  • Two-Pack of Cartridges for TASER X2: Two-Pack of Cartridges for TASER X2: compatible with the TASER X2 Professional Series; each cartridge contains a primer, gas capsule, probes, serialized tags, and conductive wires. This is the correct spare for X2 owners. The two-pack restores both cartridge bays, and the listed components confirm it is a complete cartridge rather than a partial kit.
  • Two-Pack of Live Cartridges for TASER 7 CQ: Two-Pack of Live Cartridges for TASER 7 CQ: compatible with the TASER 7 CQ; optimized for close range and can be fired from up to 12 feet; each cartridge contains a primer, gas capsule, probes, serialized tags, and conductive wires. Useful only if you carry a TASER 7 CQ. The stated 12-foot close-range optimization is a real difference from the X2 cartridge, so buying by device compatibility prevents a costly mismatch.
  • Blade-Tech OWB Holster: Blade-Tech OWB Holster: Kydex outside-the-waistband holster with a universal belt clip, barrel protector to stop darts in case of accidental misfire, and safety cover; device compatibility listed as TASER Pulse Series. If you carry an X2, this holster's listed compatibility is the Pulse Series, so verify fit before relying on it. The barrel protector and safety cover are the features that matter for safe carry.
  • TASER 7 CQ Safariland Holster: TASER 7 CQ Safariland Holster: designed for the TASER 7 CQ; right- and left-handed versions available; carry option offered; Safariland is a trademark of Safariland, LLC. A device-specific holster for TASER 7 CQ owners. Handedness and carry option are the two choices to make at checkout.

Who should buy this

Best for

  • TASER X2 owners who want to restore both cartridge bays after a deployment
  • People who keep one device for home defense and want a sealed spare on hand
  • X2 owners who train with live cartridges and need a clear practice-versus-defense split

Not for

  • TASER 7 CQ owners, who need the TASER 7 CQ two-pack instead
  • Anyone who has not confirmed their device model and cartridge compatibility
  • Buyers looking for a holster rather than cartridges