Product Description

MDT AICS .300WM 5RD Metal Magazine

High-strength steel construction, Cerakote Elite finish, and AICS compatibility — the MDT .300 Winchester Magnum 5-Round Metal Magazine is built for precision bolt-action rifles that demand durable, reliable feeding for magnum cartridges. Perfect for competition, long-range shooting, and field use, this 5-round metal magazine delivers consistent lockup and long-term corrosion resistance.

Key Features

• Caliber: .300 Winchester Magnum (300WM)

• Capacity: 5 rounds (magnum length)

• Construction: High-strength steel body for rugged durability

• Finish: Cerakote Elite for superior corrosion and wear resistance

• Pattern: AICS-compatible — fits most AICS-pattern long-action chassis and rifles

• Use: Precision bolt-action rifle magazine for hunting, competition, and tactical rigs

Compatibility & Important Notes

• Compatible: 300WM only (AICS pattern)

• Not compatible with: 300 Remington Ultra Mag, 300 Weatherby, and similar ultra-long cartridges

• Chassis / OEM notes:

  • Standard MDT long-action magazine length in MDT chassis is 3.715″ unless a different length (CIP or 3.85″) is specified in the product listing.

  • If you purchased a rifle directly from an OEM or retailer, verify rifle magazine well specifications before ordering.

  • Remington Tactical Chassis rifles and .338 Lapua XCR rifles use a 3.775″ magazine (not supplied by MDT).

  • Tikka T3/T3x and Savage Axis long-action configurations in MDT chassis require the 3.560″ magazine option.

Dimensions & Loading Limits (COAL = Cartridge Overall Length)

• 3.560″ magazine — max COAL: 3.480″

• 3.715″ magazine — max COAL: 3.600″

• 3.850″ magazine — max COAL: 3.740″

Why Choose This Magazine?

Engineered for shooters who demand repeatable, solid performance from a metal magazine, MDT’s 5-round .300WM magazine balances durability with the precise tolerances needed for magnum cartridges. The Cerakote Elite finish protects your investment from the elements and daily use.

Order the MDT AICS .300WM 5-Round Metal Magazine today — verify your rifle’s magazine well length, pick the correct magazine body length for your chassis, and get dependable feeding for your .300 Win Mag setup.