The FD P-Tower started out and ended with a splutter. Barely able to disable large walkers, it got blown up fare more often than it helped the rebellion fend off Imperial forces. As always, Jay's Brick Blog is the place to go to see it in various angles and get more information.
STAR WARS Advent Day 1: Slave 1
STAR WARS Advent Day 2: Bespin guard
STAR WARS Advent Day 3: Tie Interceptor
STAR WARS Advent Day 4: Imperial Navy Trooper
STAR WARS Advent Day 5: Hoth Defence Turret
STAR WARS Advent Day 6: Snowtrooper
STAR WARS Advent Day 7: Snowman
STAR WARS Advent Day 8: FD P-Tower
STAR WARS Advent Day 9: Hoth Rebel Trooper
STAR WARS Advent Day 10: Venator-Class Star Destroyer
STAR WARS Advent Day 12: Droid Gunship
STAR WARS Advent Day 13: Battle Droid
STAR WARS Advent Day 14: Obi Wan's Jedi Starfighter
STAR WARS Advent Day 15: Tantive IV
STAR WARS Advent Day 16: E-3P0