COP .357 Derringer vs Desert Eagle .50 AE

1983–Present

1990–Present

~150,000 estimated

~500,000 estimated

140 mm (5.5 in)

228 mm (9.0 in) with standard grip

63 mm (2.5 in)

152 mm (6.0 in) standard, 165 mm (6.5 in) optional

0.5 kg (1.1 lb) empty

2.04 kg (4.5 lb) empty, stainless‑steel frame

4 rounds (integral barrel cluster)

7 rounds standard for .50 AE, 9 rounds for .44 Magnum, 13 rounds for .357 Magnum

Double‑action only; four independent hammers cocked sequentially by a single trigger pull

Short‑stroke gas piston with rotating bolt, locked breech

Heavy double‑action trigger with a long pull, no single‑action mode

Single‑stage, DA/SA with manual safety/decocker lever

None; optional low‑profile notch milled into the top of the frame for limited aiming

Fixed rear notch and front blade; optional aftermarket night sights