Description: This tower shield has a large groove cut from it to allow the emplacement of a two-handed firearm. While wielding an emplacement tower shield it counts as a free hand for the purposes of wielding a two-handed firearm.
As a standard action you can use an emplacement tower shield to grant you cover, as per a tower shield.
When wielding an emplacement tower shield in combat, you take a –2 penalty on attack rolls because of the shield's encumbrance.
Having proficiency in both firearms and tower shields grants you proficiency with emplacement tower shields. Emplacement tower shields otherwise count as a tower shield for the purposes of feats or abilities.