The Century Arms AP5 is a semi-automatic pistol chambered in 9mm Luger (9x19 Para). It uses a roller-delayed blowback action and has a cold hammer-forged 8.9-inch barrel. Capacity is 30+1 rounds. Weight is 5.5 lbs and overall length is 17.9 inches. Finish is black, grips are black polymer, and two magazines are included. The muzzle has a flash hider. 
 

Key Specifications 

• Manufacturer: Century Arms 
• Model: AP5 
• Caliber: 9mm Luger (9x19 Para) 
• Action: Semi-Automatic 
• Capacity: 30+1 rounds 
• Barrel Length: 8.9 inches 
• Overall Length: 17.9 inches 
• Weight: 5.5 lbs 
• Finish: Black 
   

Detailed Features 

The roller-delayed blowback action is the defining mechanical feature. It slows the bolt carrier using rollers before the case can exit, which smooths out the recoil impulse compared to straight blowback designs in 9mm. Cold hammer-forged barrel means the rifling is pressed in rather than cut, which generally produces a harder bore surface and longer service life. Fixed front sight and drum rear sight are standard HK-pattern sighting; they work but many owners replace the drum rear with a diopter. 
 

Usage Scenarios 

• Range / Recreational Use: High-capacity 9mm platform with roller delay makes for a smooth, relatively low-recoil shooting experience at 30 rounds per magazine. 
• Competitive Shooting: The design suits IPSC and similar run-and-gun formats where high capacity and fast reloads matter. 
• Home Defense: 30-round 9mm is a practical defensive setup; the 8.9-inch barrel gives good velocity and the size is manageable indoors.

Owners of the Century Arms AP5 tend to be enthusiastic about the platform, with some consistent critical points.

The roller-delayed action gets consistent praise. It runs noticeably smoother than straight-blowback 9mm pistols, and feeding and ejection are generally reliable with a range of ammunition types.

Accuracy at range is well-regarded. The AP5 handles well at 25-50 yards, and owners who use it in competition note it keeps up with the demands of fast-paced events.

Build quality is considered good for the price, but some owners flag QC inconsistencies: fit between components, finish imperfections, or trigger feel that varies unit to unit. It's not universal but comes up often enough to mention.

Ergonomics are generally positive. Controls are in familiar locations for anyone used to HK-pattern pistols, and the grip is comfortable for most hand sizes. Some buyers note they wish more customization options were available without significant modification.

Value comparisons come up frequently. The AP5 sits below the price of genuine HK pistols while using the same roller-delayed operating principle; buyers who understand what they're getting see it as good value. Those expecting German-HK build precision at Century pricing sometimes come away disappointed.

Aftermarket support is decent for HK-pattern accessories but some components require careful research to ensure compatibility.