If Nerf Hyper rounds are 13-14mm diameter, then it stands to

Airsoft Action - September 2018 by Airsoft Action - Issuu

Nerf Hyper Siege-50 Pump-Action Blaster and 40 Nerf Hyper Rounds, 110 FPS Velocity, Easy Reload, 50- Round Capacity - Nerf

Hyper Ammo Analysis

THE NERF HYPER REVIEW: Ready to get HYPED!?

NEW* NERF Hyper Rush-40, Siege-50, and Mach-100 Blasters from Hasbro Review 2021

PTRD-41 with no barrel under an sks for size comparison. : r/Cursedgunimages

Nerf reveals Hyper, its next-gen high-capacity blasters with the fastest reloads ever - The Verge

Nerf Hyper, Dart Zone Flywheel Blaster Patents!

Which one do you think is the size of a Hyper round? : r/Nerf

Is Nerf the best toy gun brand? - Quora

PTRD-41 with no barrel under an sks for size comparison. : r/Cursedgunimages

Yamaha ATV and Side-by-Side Accessories, 2023 by Yamaha Motor Corporation, USA. - Issuu