The Alex Pro Firearms Delta Carbine is an AR-pattern semi-automatic rifle chambered in 5.56 NATO with a 16-inch barrel. It ships in a Delaware Crossing finish and accepts 30+1 rounds. The SKU RI329 identifies this specific configuration. 
 

Key Specifications 

• Brand: Alex Pro Firearms 
• Model: Delta Carbine 
• Caliber: 5.56 NATO 
• Action: Semi Auto 
• Capacity: 30+1 Rounds 
• Barrel Length: 16 inches 
• Color/Finish: Delaware Crossing 
   

Detailed Features 

• 16-inch barrel in an AR-pattern carbine platform 
• 5.56 NATO chambering accepts standard AR magazines 
• Delaware Crossing finish on the receiver or furniture 
• Ships with a 30-round magazine (30+1 total capacity) 
• Identified by RI329 model code

Owners of the APF Delta Carbine point to solid build quality for a mid-tier AR-pattern carbine. The Delaware Crossing finish is a talking point at the range and tends to draw questions. Reliability on standard 5.56 NATO brass gets positive marks from most owners.

The 16-inch barrel length hits a practical balance for carbine use. A number of owners run the Delta Carbine as a general-purpose rifle without modifications and find it handles well. Those who want to suppress it note the standard configuration requires additional setup.

Value comparisons to similar AR carbines split opinion. Buyers coming from big-box ARs tend to rate the APF higher. Those familiar with top-tier AR builders consider the trigger average and worth a swap. The Delaware Crossing aesthetic does divide buyers, with some finding it sharp and others preferring a plainer finish.