MCI Defense

MCI Defence is a precision rifle engineering brand focused on practical upgrades for factory rifle stocks. Its main offering is an AICS detachable box magazine conversion kit, designed to let compatible rifles use widely available, industry-standard magazines. The company presents the conversion as a straightforward upgrade that can be installed without a gunsmith or specialty tools, helping improve a rifle’s functionality and value.

The product range includes conversions for Remington 700 short- and long-action rifles, Savage Axis short- and long-action models, and Tikka T3/T3X short- and long-action rifles. The kits are designed to work with a variety of stock configurations, including Remington ADL and BDL stocks, Hogue OverMolded stocks, Bell & Carlson stocks, and aftermarket stocks; Bergara BDL compatibility is also listed. MCI Defence additionally offers stock anti-flex stabilizer kits and is developing rimfire chassis products. The brand highlights match testing, multiple finishes, and reversible design features. MCI Defence sells its products online and provides customer contact by email.