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Image by Kyle Petzer

Forged in Wyoming.
Trusted in the field.

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Manufactured in Hulett beneath the shadow of Devils Tower.

Bison Ammo is precision ammunition built for reliability, safety, and performance when it matters most.

#TEAMBISON

Our Services

What We Do

At Bison Ammo, we produce precision-engineered ammunition designed for reliability and performance. From sporting calibers to specialized defense loads, every round is manufactured in Hulett, Wyoming — under the watchful presence of Devils Tower — with strict quality control and compliance to SAAMI and NATO standards.

Ammunition Manufacturing 

Built in Hulett, Wyoming beneath Devils Tower, our ammunition is engineered for accuracy, reliability, and repeatable performance.

R&D

Our R&D team pushes the boundaries of propellant science and ballistic performance to deliver safer, smarter, and stronger solutions.

Custom & Contract Production

We collaborate with defense and law enforcement partners to develop and produce custom loads that meet exacting specifications and operational standards.

QA & Ballistics

Every round undergoes detailed ballistic analysis and inspection to ensure consistent pressure, precision, and safety — shot after shot.

Distribution

We provide reliable logistics and responsive support to ensure your supply chain runs as consistently as our ammunition.

Support 

Our Wyoming-based team provides fast, reliable assistance for orders, technical questions, and product assurance — ensuring confidence in every round.

Image by Brian Miller

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