The Andro Corp Industries ACI-15 CQB is an AR-style semi-automatic pistol chambered in 5.56 NATO. It pairs an 8-inch black nitride threaded barrel with a black anodized aluminum receiver and a full-length Picatinny top rail. The pistol ships with a black polymer SBA3 brace, an M-LOK handguard, and ambidextrous controls for a compact setup with no factory sights installed. 
 

Key Specifications 

• Brand: Andro Corp Industries 
• Model: ACI-15 CQB 
• Caliber: 5.56 NATO 
• Action: Semi Auto 
• Capacity: 30+1 
• Barrel Length: 8 inches 
• Barrel Material: 4150 Chrome Moly Vanadium 
• Barrel Finish: Black Nitride 
• Receiver Material: Aluminum 
• Receiver Finish: Black Anodized 
• Overall Length: 22.50 inches 
• Twist Rate: 1:7 
   

Detailed Features 

• Threaded muzzle (1/2x28) fitted with an A2 flash hider 
• Picatinny top rail with an M-LOK compatible handguard for optics and accessories 
• Ambidextrous safety selector suits right- or left-handed shooters 
• SBA3 polymer pistol brace paired with an A2-style grip 
• Ships without sights, so an optic or aftermarket irons are needed separately

Owners of AR-pattern pistols like the ACI-15 CQB tend to judge them first on how the upper and lower fit together and whether the gun cycles reliably with a shorter pistol-length gas system. A tight receiver fit and a chrome moly vanadium barrel are generally well received, and buyers on a compact AR pistol usually run the first several magazines closely to confirm the short barrel cycles different ammunition without issue.

The SBA3 brace and M-LOK handguard shape most hands-on impressions of the ACI-15. Shooters like the compact overall length for storage and close-quarters handling, though the shorter sight radius and lack of factory sights mean most people plan on adding an optic right away. Felt recoil and muzzle blast from a short 5.56 barrel are noticeably sharper than on a full-length rifle, which some owners enjoy for handling drills and others find tiring over a longer range session.

Because the ACI-15 is built on the AR platform, aftermarket grips, rails, and internal parts are easy to source, and buyers see that as a real value point since they can swap the brace or handguard without hunting for proprietary components. Some owners note that a short pistol-length gas system runs louder and dirtier than a rifle-length setup, a common trade-off with compact AR builds.