Nerf guns have been popular among kids and adults alike for decades. But if you’re looking for something more powerful and reliable than a traditional foam dart gun, the Nerf Rival Knockout XX-100 Blaster is an excellent choice.

We’ll take a deep dive into this blaster’s features, pros, cons, and specs to help you decide if it’s the right Nerf gun for you.

Overview of the Nerf Rival Knockout XX-100 Blaster

Nerf Rival Knockout XX-100 blaster

The Knockout XX-100 is an exciting addition to the Nerf RIVAL series that made its debut on October 1, 2019. This slide-action blaster can be swiftly and efficiently loaded through the convenient breach.

The blaster is readied for battle with a priming rod, reminiscent of the same external mechanism seen on the Jolt EX-1. However, unlike other external mechanism blasters, the priming rod is not directly connected to the plunger rod, so you’ll need to manually push it back into position to fire off a shot.

The Knockout has a muzzle underneath, which provides a safe haven for four High-Impact Rounds, with two slots on each side. In addition, an accessible safety switch is cleverly tucked under the trigger.

Key Features of the Blaster

  • The Knockout XX-100 is a manual blaster that uses a spring action mechanism.
  • This blaster arrives with two High-Impact Rounds.
  • It boasts an impressive firing velocity of ninety feet per second.
  • It is a pocket blaster
  • The blaster features a trigger lock.

Design Specification

The Rival Knockout is finally serving up the “Rival Jolt”! This single-shot blaster features a plunger in the grip and allows you to load balls one at a time, with ample storage for extra ammo located on either side of the barrel.

Despite possessing all the essential qualities of a Rival spring-powered blaster, such as a snug fit when loading the ball, one key feature sets it apart. Unlike other blasters, its air restrictor does not act as a safety valve in the traditional way. Instead, it merely aids in loading ammunition into the barrel in the appropriate spacing rather than blocking the airflow when the ball is not loaded.

When it comes to construction, the blaster is just as robust as its counterparts in the Rival line. If you’re looking to add something, there’s a rail on the top for mounting extra accessories.

Unboxing the Nerf Rival Knockout XX-100

Pros & Cons of the Nerf Rival Knockout XX-100 Blaster


  • You can launch foam projectiles at a rate of 90 feet per second with pinpoint precision from this breech-loading blaster.
  • There is a trigger lock to avoid any accidental firing.
  • The diminutive stature of the blaster makes it the perfect weapon for playing fast-paced games and launching stealthy ambushes.
  • This is a manual blaster; it does not require any batteries.
  • The blaster may come with just two balls, but it can hold a total of four balls on its sides.
Integrated round storage area


  • Lacks firepower.
  • You cannot use it as your primary blaster.

Nerf Rival Knockout XX-100 Blaster Mod Guide

NERF RIVAL KNOCKOUT: Is this the Jolt of Rival line?

Final Thoughts

After an eternity, at last, a Rival blaster has stepped onto the Nerf battlefield, ready to change the game! The Rival Knockout is not your usual blaster, but it’s an ideal sidearm or backup weapon that packs a punch – perfect for any skirmish!


1. How to shoot Nerf rival Knockout?

The Knockout XX-100 slide-action blaster allows you to load it quickly and efficiently with the breech lever situated above the trigger – simply pull the lever, and the spring-loaded breech will open automatically for loading, then close it again to fire away!

2. What is knockout round storage?

The blaster might only have two balls, but the integrated round storage area provides easy access to reload quickly – allowing it to hold up to four balls in total!

3. Is the Knockout a 2020 Blaster?

The Knockout’s name gives it the distinction of being a 2020 blaster, even though it was released in 2019.