The Retay USA Ace-R B-RACELEGPBR-28 is a semi-automatic shotgun chambered in 20 Gauge with a 28-inch barrel and a 3-inch chamber. This is the 40th Anniversary edition of the Ace-R, distinguished from the standard model by its own badging, and it is built around an aluminum receiver with a humpback profile and a crossbolt safety. 
 

Key Specifications 

• Brand: Retay USA 
• Model: Ace-R 
• Series: 40th Anniversary 
• Gauge: 20 Gauge 
• Action: Semi-Auto 
• Chamber: 3 in 
• Barrel Length: 28 in 
• Receiver Material: Aluminum 
   

Detailed Features 

• Humpback receiver profile machined from aluminum, keeping weight down over the barrel 
• Marapro choke system for adjusting shot pattern by load and target distance 
• Crossbolt safety located ahead of the trigger guard for quick manipulation 
• 40th Anniversary edition badging and finish distinguish it from the standard Ace-R 
• 3-inch chamber accepts a range of 20 gauge shotshell loads 
• 28-inch barrel length suited to clays, upland, and general field use

Owners of the Ace-R describe the aluminum humpback receiver as noticeably lighter to carry than a comparable steel-receiver semi-auto, and most report the action cycles a variety of loads without complaint once broken in. Retay's crossbolt safety is a small detail some shooters like for how quickly it operates by feel.

In the field, the 20 gauge chambering keeps recoil manageable over a long day of walking, and reviewers who run the gun on doves or clays generally find the balance suits fast target acquisition. A few mention the humpback profile takes some getting used to compared to a traditional receiver shape.

The Marapro choke system gets credit for letting owners tune pattern density without buying a separate choke set, and the 40th Anniversary edition appeals to shooters who want something distinct from the base Ace-R lineup. Some buyers note that Retay's aftermarket support and parts availability in the US is still smaller than for long-established shotgun brands.