Double Bell Co2 Hi-Capa 5.1 Blowback Airsoft Pistol, Black w/ Silver Slide

The Hi-Capa platform exists because competitive shooters need a pistol that can be tuned to their exact field. The Double Bell CO2 Hi-Capa 5.1 brings that same upgrade-friendly architecture to gas blowback, with CO2 instead of green gas for more consistent power and better cold-weather performance. If you are running IDPA, USPSA, or just want a sidearm that will not lose velocity when the temperature drops, this is the category.

How CO2 changes the equation. CO2 runs at higher pressure than green gas, so you get more consistent velocity across shots and better performance in cold weather. The trade-off is that CO2 is harder on seals over time and requires you to buy cartridges separately. The blowback action cycles fully with each shot, giving real slide recoil.

Velocity and field fit. Rated 300-340 FPS on 0.20g BBs. That clears most indoor CQB limits and sits inside typical outdoor sidearm caps. As with any gas pistol, actual velocity depends on your BB weight, the temperature, and how fresh your CO2 cartridge is. Chrono with your own setup before your first game.

The Hi-Capa platform. This is a 5.1 frame, which is one of the most supported pistol platforms in airsoft. Metal slide and outer barrel, polymer lower frame to keep weight down. The adjustable hop-up is a step up from fixed designs, and the platform accepts the full aftermarket: barrels, buckings, inner springs, triggers, and slide assemblies. Popular first upgrades include a precision inner barrel for tighter groups, a hardened recoil buffer to handle CO2 cycling, and a match-grade hop-up bucking.

Externals. The two-tone finish pairs a silver metal slide with black polymer grip panels. Safety levers are included. At full-size competition pistol dimensions, it is not a concealable backup. The magazine holds 25 rounds, which is realistic for a competition pistol but means frequent reloads during a match.

Before you buy. CO2 cartridges are not included - you will need to buy 12g cartridges separately. BBs are not included. If you are new to gas blowback, expect a break-in period of a few hundred rounds as the seals settle. This is a competition-oriented platform, not a lightweight carry option, and the metal construction means it carries heavier than a polymer pistol.

Includes federally mandated blaze orange muzzle tip.