The Bond Arms Century 2000 is a two-shot .45 Colt/.410 gauge derringer with a stainless steel frame, 3.5-inch barrel, and rosewood grips. It weighs 21 oz and measures 5.5 inches overall. The cross-bolt safety and rebounding hammer are the primary safety features. The barrels break open for loading and unloading. 
 

Key Specifications 

• Caliber: .45 Colt / .410 Gauge 
• Action: Single Action Only 
• Capacity: 2 Rounds 
• Barrel Length: 3.5 inches 
• Overall Length: 5.5 inches 
• Weight: 1.3 lbs (21 oz) 
• Grip Material: Rosewood 
• Safety Features: Cross-bolt safety mechanism 
• Frame Material: Stainless Steel 
   

Detailed Features 

• Dual Caliber: The barrels can chamber either .45 Colt rounds or 2.5-inch .410 shotshells. Bond Arms sells interchangeable barrel sets for other calibers as well, though the Century 2000 ships with the .45 Colt/.410 barrel. 
• Stainless Steel Frame: Corrosion-resistant; the Century 2000 has a machined stainless finish throughout. 
• Rosewood Grips: Comfortable and attractive; Bond Arms also sells a wide variety of aftermarket grip options. 
• Cross-bolt Safety: Blocks the hammer from striking the firing pins; must be manually disengaged to fire. 
• Break-Open Action: The barrel block tips forward for loading. Two rounds, one per chamber. 
   

Target Audience 

Owners who want a deep-concealment last-resort backup gun, or collectors who appreciate the derringer form factor. The .45 Colt/.410 combination is practical for close-range defensive use. This is not a primary carry gun for most shooters. 
 

Usage Scenarios 

1. Deep Concealment Carry: Fits in a front pocket or ankle holster; the 21 oz weight is manageable. 
2. Backup Gun: Carried alongside a primary pistol for emergency use. 
3. Collecting/Range Novelty: The dual-caliber capability and stainless construction make it interesting to shoot.

The Bond Arms Century 2000 draws reactions that reflect its niche role as a derringer.

Construction quality is the most consistent positive. Bond Arms builds these with notably better fit and finish than most derringers, and owners frequently note the pistol feels solid. The stainless and rosewood combination looks traditional and is generally admired.

The dual-caliber capability generates enthusiasm. Owners enjoy being able to alternate between .45 Colt single rounds and .410 shotshells, and some find the .410 load useful for close-range defensive situations.

The trigger pull is a repeated practical criticism. Single-action derringers require hammer cocking and the pull itself is not light, which affects accuracy for less experienced shooters. This is a design characteristic of the derringer format.

Recoil with heavier loads gets some discussion. At 21 oz, the Century 2000 is not as light as polymer-frame pocket pistols, but .45 Colt and particularly .410 buckshot loads produce noticeable muzzle flip in a short-barreled gun without much to hold onto.

Capacity is always the practical elephant in the room. Two shots is what it is; owners who choose a derringer understand they are trading capacity for concealability and form factor.

Price relative to two-shot capacity is a recurring discussion. The Bond Arms premium over cheap derringers is generally justified by owners who have handled both, but buyers who focus on shots-per-dollar will look elsewhere.