The KO Seawing is one of the more interesting remolds of the set. I like to call him Wingding. Wingding has resized wings which are much smaller than the original mold, making him look almost SD in proportion, but the robot is about the same size outside the wings.
There are also two improvements and one change in the mold from the original. There are now a set of holes in the tops of the wings which allow you to mount his weapons there, which actually makes sense since his wings are so tiny they barely fit under them on the holes there. There is also an added hole on his robot chest, which is the manta ray belly. This allows you to mount one of the combiner's feet under the body. This can be used to store the foot when they are in beast mode, and can be used as a substitute stand for his Targetmaster mode.
One change from the original mold is the peg on his robot mode chest. On the original toy is flips up and out. On this toy it flips DOWN and out. Meaning it's final position is lower on the arm, making the combiner have a shorter arm.
The toy is fully capable of robot, beast, arm, leg and gun modes, although it lacks the three pieces to mount Targetmaster on, you can use a real toys parts and they work fine. Since the KO Seacon set lacks fists, you can put his gun in his wrist hole as a fist, or if you have something else for a fist, the guns mount on the folded wings.
Although he could form any limb of the combined mode, the fact that KO Skalor and Tentakil can only form legs makes his position as an arm more necessary for the combined form.
As per the other KO Seacons, I opted to add reprolabels white outline faction symbols.
Robot:

Manta-Ray monster:

Targetmaster (sorry, I lack the accessories for the original)

Leg:

Arm:

Custom tech spec: