The Harris Engineering Round Head Flange Nut Adapter For Plastic Forends, Model No. 2A, is a compact mounting solution designed to let you attach Harris bipods to rifles with synthetic or plastic stocks. This 5/8" round head flange nut replaces or supplements the existing sling stud, providing a sturdy interface for a Harris bipod while maintaining a clean, low-profile look on the fore-end.

Ideal for Ruger Model 77 Mark II synthetic stocks and other compatible rifles, this adapter is built from durable steel or alloy steel for long-term reliability under regular range use and field conditions. It is quick detachable when paired with Harris bipods, making it well suited for shooters who alternate between supported and unsupported shooting or who need a solid sling mounting point. Whether you are setting up a rifle for hunting, target shooting, or general training, this adapter offers a simple way to leverage Harris’s proven bipod system and reflects the manufacturer’s reputation for practical, well-made accessories.

Key Features:

• Manufacturer: Harris Engineering
• Model: No. 2A Round Head Flange Nut Adapter
• Type: Bipod Mount Adapter
• Compatible Stock Type: Plastic/Synthetic Fore-Ends, Ruger Model 77 Mark II (standard and ranch rifles)
• Fastener Style: 5/8" Round Head Flange Nut
• Material: Steel/Alloy Steel
• Detachment: Quick Detachable With Harris Bipods