Area 419 Universal SA Magazine Extension +4 Black

The Area 419 Universal SA Magazine Extension in black is a machined magazine floorplate designed to add capacity to select ARC, AICS, and Accurate magazines. The attachment rail is cut at an angle so the cartridge column feeds straight into the extension. Fluted side surfaces provide a secure gripping point for faster magazine changes. These extensions are designed for use on specific metal magazines and are not compatible with certain polymer or fixed-floorplate designs.

Key Specifications

• Compatible magazine families include ARC, AICS, and Accurate Mag.
• Finish color is black.
• Capacity increase for ARC 10-Rounders is +4 or +5 depending on cartridge.
• Capacity increase for AICS & Accurate 10 Rd is +3 or +4 depending on cartridge.
• Capacity increase for AICS & Accurate 5 Rd is +2 or +3 depending on cartridge.
• Capacity increase for Accurate WSM 3 or 7 Rd is +3.
• Not compatible with AI AW magazines (fixed/welded floorplate).
• Not compatible with Magpul or other polymer AI magazines.
• Weight value listed as 0.36 in the provided product attributes.
• Attachment rail is cut at an angled orientation and machined on a 4th-axis operation for proper alignment.

This magazine extension delivers a practical capacity increase and improved handling for the compatible metal magazine platforms listed above. Its machined, angled interface and fluted grip surfaces prioritize reliable companion magazine function and positive manual operation for informed users seeking a durable, purpose-built accessory.