The short answer

The Bond Arms Roughneck Gen 1 Stainless 9mm Derringer - Compact Defense Duo and the Bond Arms Compact 9mm Derringer - Sleek Self-Defense Sidearm are both derringers. The Bond Arms Roughneck Gen 1 Stainless 9mm Derringer - Compact Defense Duo is the more affordable option, starting at $239.99 versus $412.99. On the spec sheet, the Bond Arms Compact 9mm Derringer - Sleek Self-Defense Sidearm is lighter (18.5 oz vs 19 oz).

Frequently asked questions

What is the difference between the Bond Arms Roughneck Gen 1 Stainless 9mm Derringer - Compact Defense Duo and the Bond Arms Compact 9mm Derringer - Sleek Self-Defense Sidearm?

Both are chambered in 9mm. They differ mainly in weight (19 oz vs 18.5 oz), action (Single/Breach vs Single Action), finish (Stainless Steel vs Black Stainless Steel) and sights (Front blade, fixed rear vs Front Blade/Fixed Rear).

Which is cheaper, the Bond Arms Roughneck Gen 1 Stainless 9mm Derringer - Compact Defense Duo or the Bond Arms Compact 9mm Derringer - Sleek Self-Defense Sidearm?

The Bond Arms Roughneck Gen 1 Stainless 9mm Derringer - Compact Defense Duo is currently the cheaper of the two, with a lowest listed price of $239.99 compared with $412.99 for the Bond Arms Compact 9mm Derringer - Sleek Self-Defense Sidearm. Dealer prices are live and can change.

Are the Bond Arms Roughneck Gen 1 Stainless 9mm Derringer - Compact Defense Duo and the Bond Arms Compact 9mm Derringer - Sleek Self-Defense Sidearm the same caliber?

Yes. Both are chambered in 9mm.