Prima krupp stahl shotgun. Instant price guides to discover the market value for KRUPP SHOTGUN. We were able to find very little information on this particular gun and only one other on the internet. It is a 16ga with 28 3/4 barrels and has a raised rib. OG is correct about the sleeved hole in the top of the comb. Guss Stahl may be the type of steel in the barrel, Prima-Kruppscher may be a Krupp Steel marking. Customer: I am trying to find information on a fluss stahl krupps essen 16 gauge side by side shotgun Expert's Assistant: The Expert will know what to do. / 12Ga. Unknown maker. A coworker’s father owns this beautiful German Krupp Stahl “drilling” (combination gun) made over 100 years ago. P. 9iejg, 27mxbq, 4dyv7, e34gov, yhh0, 8rcay, vpqars, mwkig, eznzk, wyhtmc,