Kernel Black Flagship Glass-Filled 2-Round Holder – 300 PRC / Magnum Caliber Specific

Upgrade your precision rifle setup with the KMRNL Dual Holder, engineered for .300 PRC and other magnum-class cartridges of similar overall length. Purpose-built for shooters who demand reliable performance, this holder provides a snug, caliber-specific fit that keeps your rounds secure, silent, and instantly accessible in the field.

Patent Pending – U.S. Application No. 63/743,638
Proudly made in the USA and hand-finished for a precision fit.

Features

Caliber-Specific Fit

• Designed around the .300 PRC cartridge profile and overall length.

• Compatible with cartridges of similar dimensions, including:

  • .338 Lapua Magnum

  • .300 Norma Magnum

  • .28 Nosler

  • 7mm PRC

  • Other long-action magnum-class cartridges of comparable size.

• Precision retention ensures rounds stay secure under recoil while remaining easy to extract.

Durable Construction

• Built from a proprietary glass-filled polymer blend, combining lightweight handling with extreme toughness for demanding field conditions.

Secure Fastening

• Equipped with high-grade alloy or optional Titanium screws for long-lasting strength and corrosion resistance.

Customizable Fit & Mounting

• Independent chassis and bracket design allows tension adjustments for a perfect hold.

• Mil-Spec washers and rubber grommets included for spacing control.

• M-LOK compatible with a reversible design for left or right side mounting.

Personalization Options

• Choice of M4 or M5 Titanium screws in black, gold, or multi-color finishes.

• Hand-finished for a premium look and performance.

Why Choose the KMRNL Magnum Dual Holder?

• Specifically engineered for .300 PRC and compatible magnum-class cartridges.

• Ensures reliable access to spare rounds without rattling or shifting.

• Built to handle heavy recoil, harsh environments, and professional use.

M4 10.9-grade alloy steel black hex button head socket screws Gold Titanium M4, M5 screw Muti Color Titanium M4, M5 screw Black Titanium M4, M5 screw

Elevate your gear with the KMRNL Dual Holder – the ultimate combination of functionality, style, and durability!