Star Wars LAAT gunship laser turret pod from BrickLink Studio
Erco ball turret on a Consolidated PB4Y-2 Privateer, Pima Air & Space Museum (photo: Paul Woodford) | Air and space museum, Aerospace museum, Republic gunship
LEGO Star Wars Ultimate Collector Series 75309 Republic Gunship [Review] - The Brothers Brick | The Brothers Brick
Old Elementary: Eero Okkonen's ball turret and deltoid | New Elementary: LEGO® parts, sets and techniques
Lego 3pcs LBG Ball And Socket Turret 44359/44358 - Star Wars Cylinder Hemisphere | Being Patient