sponson mount

sponson mount

[′spän·sən ‚mau̇nt]
(ordnance)
A gun mount positioned on the sponson of a tank or combat vehicle; practically abandoned because of vulnerability and limited field of fire, although widely used in earlier tanks.
References in periodicals archive ?
Able to defeat 1st, 2nd generation and imaging seekers, the Manta is being offered in internal, pod and sponson mount configurations.