Are these compatible w/ Nerf Helios?

I don't have a Helios to test, but they are compatible with every blaster that uses Rival rounds that I own.

Are these rounds worth purchasing for a Prometheus? Idk if I should buy 200+ of these rounds if the performance boost is marginal at best

These accuRival rounds have a rubber-like coating on them are much more durable than standard rival. They also have less drop over distances and less curve due to being slightly smaller and having slightly less wind resistance due to the coating. Fps is a tiny bit less than standard rival. They tend to fly farther not straighter. When I ran these through my heavily modified Prometheus I was hitting 120 fps and 10 rounds per second. Almost identical to standard rival. Hope this helps!

Nerf Rival 50 Accu Round Refill Includes 50 Accu Rounds

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🎯 Lock, Load, and Lead the Pack with the Most Accurate Nerf Rounds!

PRECISION PERFECTED - Engineered with aerodynamic dimples for unmatched shot accuracy.
BULK UP YOUR ARSENAL - Includes 50 Accu-Rounds to keep you battle-ready without pause.
UNIVERSAL COMPATIBILITY - Seamlessly fits all Nerf Rival blasters for ultimate versatility.
BATTLE TESTED RELIABILITY - Trusted by thousands with a 4.8-star rating for consistent performance.
OPTIMIZED FOR RIVAL SYSTEM - Designed to complement adjustable sights and streamlined barrels.

The Nerf Rival 50 Accu-Round Refill pack delivers 50 precision-engineered rounds featuring an aerodynamic design and dimple pattern for consistent, accurate flight. Compatible with all Nerf Rival blasters, these rounds enhance your blaster’s performance and are part of the most accurate Nerf Rival system trusted by enthusiasts aged 14 and up.

Specifications

ASIN	B09NHVSL52
Age Range Description	14 YEARS+
Are Batteries Required	No
Best Sellers Rank	124,858 in Toys & Games ( See Top 100 in Toys & Games ) 181 in Toy Foam Blasters
Brand Name	Nerf
Colour	Blue
Customer Reviews	4.8 out of 5 stars 983 Reviews
Global Trade Identification Number	00195166170343
Included Components	50 rounds.
Is Assembly Required	No
Item Dimensions	38 x 119 x 267 millimetres
Item Dimensions L x W x H	11.9L x 3.8W x 26.7H centimetres
Item Type Name	Toy Blaster
Item Weight	0.1 Kilograms
Manufacturer	Hasbro
Manufacturer Part Number	F5051
Manufacturer recommended age	14 years and up
Material Type	Plastic
Model Number	F5051
Number of Items	50
Number of Packs	1
Occasion	Birthday
Operation Mode	Manual
Power Source	Manual
Size	Standard
Special Features	Enhanced aerodynamic design and dimple pattern for consistent flight
Style	Classic
Sub Brand	Nerf
Target Audience	Children aged 8 and up
Theme	Fantasy
Toy Gun Type	Blaster Toy Gun
UPC	195166170336

Reviews

M**N

Incredibly fast and can be painful

Make sure your child is wearing body armor!

3.11.2025

H**E

Very good product

Works fine have no complaints price is not as reasonable if you live out side the USA but all in all works great

31.10.2023

た**ま

お値段が高い！

円安だからか、輸入品とは言え高額でした。

17.07.2023

S**A

My cat loves them

Very fun toy for cats that wont eat them! They bounce just a little, can play soccer or toss em for fetch. Perfectly sized for cats!

29.09.2026

K**N

Great

Purchased as a gift. Came just as pictured and described. Would buy again

11.05.2026

V**U

👍

Exactement les mêmes qu'avec le rival

26.12.2025

C**S

Quality

Awesome product!

6.10.2026

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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923 kr

Duties & taxes included

In stock

Sold byAmazon NorwayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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Smooth transaction and product arrived in perfect condition.

3 weeks ago