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SIG Air ProForce MPX K Sportline Overview

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Airsoft Headquarters SIG Air ProForce MPX K Sportline Overview

Airsoft Headquarters give us an overview of the SIG Air ProForce MPX K Sportline. Mainly made of polymer construction, it has a full metal gearbox with full length top rail and ambidextrous magazine release. This comes with a 100-BB round midcap magazine when purchased.

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