Warne 3306 Magazine Extension for S&W M&P 9/40

The Warne 3306 magazine extension is a drop-in accessory intended for S&W M&P 9/40 pistols, providing an ergonomic interface at the base of the magazine. Constructed in black aluminum, it features finger grooves to aid insertion and controlled removal of the magazine. The extension is offered in increased-capacity and zero-capacity versions to accommodate different local regulations and user preferences.

Key Specifications

• The manufacturer is Warne.
• The model is listed as 3306 Magazine Extension.
• Compatible with S&W M&P 9/40 pistols according to the provided product data.
• The material is Aluminum.
• The color is Black.
• Available in increased-capacity and zero-capacity configurations.
• The design includes an ergonomic profile with finger grooves to assist magazine insertion and stripping.
• Listing references unit of measure as EA (each).

This extension provides a practical, no-nonsense upgrade to the magazine interface for S&W M&P 9/40 users, improving grip and handling during reloads while offering configurations that align with local capacity requirements. The aluminum construction and simple ergonomic profile make it a durable, functional choice for those seeking a clean, compliant magazine extension option.