This MDT AICS magazine (part no. 102143-BLK) holds 5 rounds of .300 Winchester Magnum and is machined from high-strength steel, finished with Cerakote Elite for durability and corrosion resistance. It’s built to the AICS pattern for compatible long-action detachable-box-magazine (DBM) chassis and bottom metals.

Key Specifications

• Chambered for .300 Winchester Magnum.
• Holds 5 rounds, sized for magnum-length cartridges.
• Built to the AICS long-action pattern.
• Compatible with AICS-pattern DBM chassis and bottom metals.
• Machined from high-strength steel.
• Finished with Cerakote Elite for durability and corrosion resistance.
• Sized for the 3.715-inch standard long-action magazine well.
• Manufactured by MDT.
• Officially designated the AICS Magazine pattern by MDT.

Frequently Asked Questions

How many rounds does this MDT magazine hold? It holds 5 rounds of .300 Winchester Magnum, sized for magnum-length cartridges.

Will this magazine fit any long-action chassis? It fits AICS-pattern DBM chassis and bottom metals sized for the 3.715-inch standard long-action magazine well; some rifles (e.g. Remington Tactical Chassis, 338 Lapua XCR, Tikka T3/T3x, Savage Axis) use a different length and are not compatible. Always verify fit against your exact chassis before ordering.

Buy the MDT AICS 5-Round .300 Win Mag Magazine

Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL. Browse our full rifle magazines selection.