COP .357 Derringer vs Springfield Armory 1911

1983–Present

1985–present

~150,000 estimated

Millions

140 mm (5.5 in)

216 mm

63 mm (2.5 in)

127 mm

0.5 kg (1.1 lb) empty

1,100 g

4 rounds (integral barrel cluster)

7+1 to 10+1 rounds

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

short recoil

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

SAO

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

Adjustable or fixed