<https://www.ballisticmag.com/sig-m400-tread-pistol-first-look/#webpage>
<http://schema.org/description>
"Following the success of the Tread Rifle, the SIG M400 Tread Pistol puts a 30+1 capacity in compact package with a barrel length of just 11.5 inches."
<https://www.ballisticmag.com/sig-m400-tread-pistol-first-look/>