SIG SAUER - Never Settle

AUSA – Cadex Defence


The Mk15 Upgrade Kit is designed to take a McMillan single shot .50 bolt action weapon and turn it into a magazine fed weapon. Utilizing the Cadex Defence Chassis System, it is a modular system that will allow future upgrades or changes in components. The modular construction of the Strike 50 stock also makes for a stronger chassis as the “lower” is a single piece. Additionally, the chassis is configurable through the use of Picatinny rail sections.


The folding stock is adjustable for comb, length of pull and buttpad height without tools.


This upgrade kit is available through ADS Inc.

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