1. Safety Information
- Age Recommendation: This blaster is recommended for users 14 years of age and up.
- Eye Protection: Always wear eye protection when using this product. Do not aim at eyes or face.
- Ammunition: Use only official Nerf Rival high-impact rounds. Other rounds may not meet safety standards.
- Modifications: Do not modify the blaster or rounds. Unauthorized modifications may affect performance and safety.
2. What's in the Box
- Nerf Rival Nemesis MXVII-10K Blaster
- 100 High-Impact Rounds
- Instruction Manual
3. Setup
3.1. Battery Installation
The Nerf Rival Nemesis MXVII-10K blaster requires 6 D-sized alkaline batteries (not included) or a Nerf Rival Rechargeable Battery Pack (sold separately). To install batteries:
- Locate the battery compartment on the underside of the blaster.
- Using a Phillips head screwdriver, unscrew the battery compartment cover.
- Insert 6 D-sized batteries, ensuring correct polarity (+/-). If using the rechargeable pack, insert it as directed by its separate instructions.
- Replace the battery compartment cover and secure it with the screw.
3.2. Loading Rounds
The Nemesis blaster features a high-capacity hopper for quick loading:
- Open the hopper door located on the top of the blaster.
- Pour up to 100 Nerf Rival high-impact rounds into the hopper.
- Close the hopper door securely.

This image demonstrates the easy-loading high-capacity hopper of the Nerf Rival Nemesis blaster, showing how to manually insert the yellow high-impact rounds.
4. Operating Instructions
4.1. Powering On
To power on the blaster, slide the power switch to the 'ON' position. The blaster is fully motorized and will begin to prime.
4.2. Firing the Blaster
Once powered on and loaded, pull the trigger to unleash a rapid stream of high-impact rounds. The blaster fires rounds at a velocity of 100 feet per second (30 meters per second).

The Nerf Rival Nemesis MXVII-10K blaster, showcasing its red design and transparent hopper filled with yellow high-impact rounds, ready for action.
4.3. Safety Lock
The blaster is equipped with a safety lock mechanism. Engage the safety lock when the blaster is not in use to prevent accidental firing. The safety switch is typically located near the trigger.
4.4. Official Product Video
This official video provides a concise overview of the Nerf Rival Nemesis Red Blaster, highlighting its key features and demonstrating its firing mechanism and ease of use.
5. Maintenance
5.1. Cleaning
Wipe the blaster with a damp cloth to remove dirt and debris. Do not submerge the blaster in water. Ensure no moisture enters the battery compartment.
5.2. Round Inspection
Regularly inspect high-impact rounds for damage or deformation. Discard any damaged rounds to ensure optimal performance and safety.
6. Troubleshooting
- Blaster not firing:
- Check if batteries are correctly installed and charged. Replace if necessary.
- Ensure the safety lock is disengaged.
- Verify the hopper is loaded with rounds and the door is closed.
- Rounds not feeding properly:
- Ensure only official Nerf Rival rounds are used.
- Check for any obstructions in the hopper or firing mechanism.
7. Specifications
| Product Dimensions | 4.76 x 30 x 12.24 inches |
| Item Weight | 6 pounds |
| Model Number | B8240 |
| Manufacturer Recommended Age | 14 years and up |
| Release Date | June 28, 2017 |
| Manufacturer | Hasbro |
8. Warranty and Support
For warranty information and customer support, please refer to the manufacturer's official website or contact their customer service directly. You can also visit the official Nerf Store for additional product information and accessories.





