The Awkward ’80s Mossberg 500 Bullpup Shotgun (VIDEOS)

This chunky monkey of a 12 gauge was a normal Mossberg 500, other than the “high impact” polymer bullpup stock set-up and twin safeties. To cover the beauty of this wonder gauge, Tim Harmsen with the Military Arms Channel digs one out of his safe, spider eggs and all.

Mossberg made them both under their own banner and their budget Maverick line from 1986 to 1990 in 18.5- (six shot) and 20-inch (nine shot) variants. Sporting a grip safety (!) and ventilated heat shield, the 500 Bullpup came in at just 26.5-inches overall and beat the Kel-Tec KSG to the market by about 15 years.

However, it was not the first bullpup shotgun available commercially in the U.S. That title goes to 1967’s wonky High Standard Model 10.

The what? Check out the below:

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