The PC series of bombs differed from the SC series because they had thick cases for enhanced penetration of armored targets like warships or reinforced concrete fortifications.

The PC series served as a base for the later PC RS series rocket propelled bombs which were designed to enhance penetration by increasing their terminal velocity.

[2] The body was of two-piece construction which was filled through the base with RDX and was fitted with a 4 finned tail with a cylindrical strut.

There was a single electric base fuze and there was a charging head on the rear 1/3 of the bomb.

The PC 1600 could be horizontally suspended in a bomb bay and when construction was terminated in 1942 there were no replacements.