Two-Round Ammo Holder for .300 PRC – Stainless Screws

Two spare .300 PRC cartridges, held close at hand

The KMRNL .300 PRC Two-Round Ammo Holder keeps two spare cartridges in a rigid, glass-filled polymer body. This long-action model is made for .300 PRC and uses stainless steel screws, adjustable retention, and a reversible M-LOK-style mounting design.

Fitment and construction

• Cartridge: .300 PRC. This listing is for the cartridge-specific model.
• Capacity: Two cartridges.
• Body: Glass-filled polymer.
• Hardware: Stainless steel screws, washers, and rubber grommets.
• Mounting: Reversible design for left- or right-side placement on a compatible mounting surface.
• Retention: Adjustable tension through the chassis and top bracket.

Choose the correct holder

Check the cartridge and mounting area before ordering. A rifle chambered in .300 PRC still needs a compatible mounting location, and this model should not be assumed to fit other magnum cartridges.

The product gallery shows the holder and its components from several angles. Review those photos alongside your stock or chassis, or ask KMRNL a fitment question.

Compare other two-round holders

Need a different cartridge or mounting style? Browse all KMRNL two-round ammo holders to compare Sidewinder and long-action options.

Made in Davenport, Washington.