1. Introduction
This manual provides essential information for the safe and effective operation of your Nerf Rival Knockout XX-100 Blaster. Please read all instructions carefully before use and retain this manual for future reference.
2. Important Safety Information
WARNING: TO AVOID EYE INJURY:
- Use only official Nerf Rival rounds. Other rounds may not be safe.
- Do not modify blaster or rounds.
- Eyewear is recommended for players and people within range.
- Do not aim at eyes or face.
- Recommended for ages 14 and up.
3. What's in the Box
- 1 x Nerf Rival Knockout XX-100 Blaster
- 2 x Official Nerf Rival Rounds

Image: The Nerf Rival Knockout XX-100 Blaster, shown both in its retail packaging and removed from the box, accompanied by two yellow Nerf Rival rounds.
4. Setup
4.1. Loading Rounds
- Open the Breech: Locate the orange lever on the side of the blaster. Push this lever to open the breech, revealing the loading chamber.
- Insert a Round: Place one Official Nerf Rival round into the open breech. Ensure it is seated correctly.
- Close the Breech: Push the breech back into place until it clicks securely.

Image: A hand inserts a yellow Nerf Rival round into the open breech of the blaster.
4.2. Storing Extra Rounds
The blaster features integrated storage for additional rounds. Simply push the rounds into the two circular slots located on the front-bottom of the blaster.

Image: A hand demonstrates placing a yellow Nerf Rival round into one of the two integrated storage slots on the blaster's front.
5. Operating Instructions
5.1. Priming the Blaster
- Pull the Priming Handle: Grasp the orange priming handle located at the bottom of the grip. Pull it down firmly until it locks into place. This action compresses the spring mechanism.

Image: A hand pulls the orange priming handle downwards from the bottom of the blaster's grip, preparing it for firing.
5.2. Firing the Blaster
- Disengage Trigger Lock: Ensure the orange trigger lock switch, located above the trigger, is in the unlocked position (usually indicated by a visible green or unblocked area).
- Aim: Point the blaster safely towards your target.
- Fire: Pull the trigger to launch the Rival round. The blaster fires rounds at a velocity of 90 feet per second.

Image: A person, wearing protective eyewear, aims and fires the Nerf Rival Knockout XX-100 Blaster, with a yellow Rival round visible in flight.
6. Maintenance
To ensure the longevity and optimal performance of your Nerf Rival Knockout XX-100 Blaster, follow these simple maintenance guidelines:
- Cleaning: Wipe the blaster with a clean, damp cloth to remove dust and debris. Do not submerge the blaster in water.
- Storage: Store the blaster and rounds in a cool, dry place away from direct sunlight and extreme temperatures.
- Rounds: Inspect rounds regularly for damage. Discard any torn, ripped, or otherwise compromised rounds to prevent jamming and ensure consistent performance.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Blaster does not fire. | Trigger lock engaged. | Slide the trigger lock to the unlocked position. |
| Blaster does not fire. | Blaster not fully primed. | Pull the priming handle down firmly until it clicks into place. |
| Round jams in the breech. | Damaged or non-official round. | Open the breech, carefully remove the jammed round, and use only official, undamaged Nerf Rival rounds. |
| Reduced firing velocity. | Worn spring mechanism or damaged rounds. | Ensure rounds are in good condition. If the issue persists, contact customer support. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | E6594UF1 |
| Product Dimensions | 2.01 x 9.09 x 7.76 inches |
| Item Weight | 8.2 ounces |
| Recommended Age | 14 years and up |
| Firing Velocity | Up to 90 feet per second |
| Power Source | Hand-powered (no batteries required) |
| Manufacturer | Hasbro |
9. Warranty and Support
For warranty information or customer support, please refer to the contact details provided on the product packaging or visit the official Nerf website. Keep your purchase receipt as proof of purchase.





