Quick Look

The COP .357 Derringer emerged in the 1980s as a compact, double-barrel pistol chambered in .357 Magnum. Designed for deep concealment and quick defense, it offered an alternative to traditional revolvers. Though now niche, it maintains appeal among collectors and compact firearm enthusiasts.

Why It's a Top Choice

• Double-barrel design offers quick two-shot capability
• Chambered in powerful .357 Magnum cartridge
• Heavy steel construction ensures durability
• Compact size ideal for deep concealment
• Simple break-action mechanism for reliability

Key Variants

COP 357 Derringer Mk 1

Original model favored for its rugged design and ease of carry in the 1980s.

COP 357 Derringer Mk 2

Improved variant with enhanced ergonomics and refined firing mechanism.

Competitor Comparison Table

Feature	COP 357 Derringer	Bond Arms Baby LCE	Remington Model 370
MSRP	$400 (used market)	$850	$650
Capacity/Size	2 shot, derringer	2 shot, derringer	2 shot, derringer
Weight	30 oz	21 oz	20 oz
Optics-Ready	No	No	No
Trigger Type	Double-action	Double-action	Single-action
Notable Pro	Robust steel frame	Smooth trigger pull	Classic design
Notable Con	Heavy weight	High MSRP	Less durable finish

Best Use Cases

• Deep concealment self-defense
• Backup carry gun
• Firearms collection specialty item
• Close-range protection
• Home defense adjunct

FAQs

Can I carry the COP 357 Derringer concealed?

Yes, its compact size and shape make it suitable for concealed carry in holsters or pockets.

What type of ammunition does the COP 357 Derringer use?

It uses .357 Magnum cartridges, offering high stopping power in a small frame.