Gyrosoft

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

William on Apr 25, 2026

5 out of 5 stars

Very fun, glad we got this.

B-GRADE 400-Round Nerf Nemesis Upgraded Hopper | High-Capacity Rival Ball Blaster Upgrade

B-GRADE 400-Round Nerf Nemesis Upgraded Hopper | High-Capacity Rival Ball Blaster Upgrade
William on Apr 25, 2026

5 out of 5 stars

Exactly as advertised and more.

B-GRADE 400-Round Nerf Nemesis Upgraded Hopper | High-Capacity Rival Ball Blaster Upgrade

B-GRADE 400-Round Nerf Nemesis Upgraded Hopper | High-Capacity Rival Ball Blaster Upgrade
Bryan on Oct 20, 2025

5 out of 5 stars

I never run out of ammo in a fight lol. Definately worth it!

B-GRADE - Upgraded Hopper for Nerf Nemesis | 400-Rounds Capacity Ball Blaster | Nerf Rival Upgrade | Indoor and Outdoor Nerf Wars | HvZ

B-GRADE - Upgraded Hopper for Nerf Nemesis | 400-Rounds Capacity Ball Blaster | Nerf Rival Upgrade | Indoor and Outdoor Nerf Wars | HvZ
Andrew on Aug 28, 2025

5 out of 5 stars

It's such a cool upgrade. A must buy for anyone who owns a nemesis.

Chain SAW Front Handle for Nerf Nemesis | Unique Ergonomic Change for Nemesis Hopper | Buzz Saw Blaster | Indoor & Outdoor Nerf Wars | HvZ

Chain SAW Front Handle for Nerf Nemesis | Unique Ergonomic Change for Nemesis Hopper | Buzz Saw Blaster | Indoor & Outdoor Nerf Wars | HvZ
Andrew on Aug 28, 2025

5 out of 5 stars

It's such a cool upgrade. A must buy for anyone who owns a nemesis.

400-Round Upgraded Hopper for Nerf Nemesis | Nerf Rival Upgrade | High Capacity Ball Blaster | Indoor and Outdoor Nerf Wars | HvZ | Play

400-Round Upgraded Hopper for Nerf Nemesis | Nerf Rival Upgrade | High Capacity Ball Blaster | Indoor and Outdoor Nerf Wars | HvZ | Play
Randall on Jul 14, 2025

5 out of 5 stars

Gyrosoft worked with me to print his Perses cage in PETG, which I could not obtain anywhere else. Great communication - he's easy to deal with and takes care of you.

Perses Flywheel Cage (Photon-Compatible) - PETG

Perses Flywheel Cage (Photon-Compatible) - PETG
Trae on Apr 10, 2025

5 out of 5 stars

Seller is outstanding. This is the second purchase from Gyrosoft and again another “Knock Out” product. Printed the hopper in colors that will go with my current scheme was great! “Need more Ammo”! Now I got it from Gyrosoft!!!

400-Round Upgraded Hopper for Nerf Nemesis | Nerf Rival Upgrade | High Capacity Ball Blaster | Indoor and Outdoor Nerf Wars | HvZ | Play

400-Round Upgraded Hopper for Nerf Nemesis | Nerf Rival Upgrade | High Capacity Ball Blaster | Indoor and Outdoor Nerf Wars | HvZ | Play
Elijah on Apr 1, 2025

5 out of 5 stars

Great product! Great customer service! They added extra items which made the experience all the more exciting! 10/10 would recommend purchasing. Its a game changer.

Gyrosoft responded on Apr 1, 2025

Glad you like it! That's a nice Phantom Corps Nemesis you got there!

400-Round Upgraded Hopper for Nerf Nemesis | Nerf Rival Upgrade | High Capacity Ball Blaster | Indoor and Outdoor Nerf Wars | HvZ | Play

400-Round Upgraded Hopper for Nerf Nemesis | Nerf Rival Upgrade | High Capacity Ball Blaster | Indoor and Outdoor Nerf Wars | HvZ | Play
Daniel on Mar 12, 2025

5 out of 5 stars

Great product and it came with bonuses!

400-Round Upgraded Hopper for Nerf Nemesis | Nerf Rival Upgrade | High Capacity Ball Blaster | Indoor and Outdoor Nerf Wars | HvZ | Play

400-Round Upgraded Hopper for Nerf Nemesis | Nerf Rival Upgrade | High Capacity Ball Blaster | Indoor and Outdoor Nerf Wars | HvZ | Play
Lawrence on Mar 12, 2025

5 out of 5 stars

Great product. Works seamlessly and leads to endless fun.

400-Round Upgraded Hopper for Nerf Nemesis | Nerf Rival Upgrade | High Capacity Ball Blaster | Indoor and Outdoor Nerf Wars | HvZ | Play

400-Round Upgraded Hopper for Nerf Nemesis | Nerf Rival Upgrade | High Capacity Ball Blaster | Indoor and Outdoor Nerf Wars | HvZ | Play

About Gyrosoft

3D Printed Nerf Modifications

Sales 135

On Etsy since 2019

3D Printed Nerf Modifications

Shop policies

Last updated on Aug 23, 2021

Shipping

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Customs and import taxes

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Cancellations

Cancellations: accepted

Request a cancellation: within 7 days of purchase

Gyrosoft

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400-Round Nerf Nemesis Upgraded Hopper | High-Capacity Rival Ball Blaster Upgrade

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