Area 419 Universal SA Magazine Extension Blue — ARC & AICS, 4rd

The Area 419 Universal SA Magazine Extension in Blue provides a precision-machined capacity upgrade for compatible ARC, AICS and Accurate magazines. It uses an angled attachment rail, machined on a 4th-axis, to maintain alignment between the magazine column and the extension. The design includes fluting for improved grip during reloads and is offered in a blue finish.

Key Specifications

• Compatible with ARC 10rd, AICS 5/10rd, and Accurate magazine platforms.
• Expected capacity increase for ARC 10-rounders is +4 or +5 rounds depending on cartridge.
• Expected capacity increase for AICS & Accurate 10 Rd magazines is +3 or +4 rounds depending on cartridge.
• Expected capacity increase for AICS & Accurate 5 Rd magazines is +2 or +3 rounds depending on cartridge.
• Expected capacity increase for Accurate WSM 3 or 7 Rd magazines is +3 rounds.
• Not compatible with AI AW magazines or Magpul/other polymer AI magazines.
• Finish color is Blue.
• Features a 4th-axis milled angled attachment rail to keep the cartridge column aligned into the extension.
• Listed weight is 0.34.

Precision-machined and ergonomically fluted, this extension delivers a reliable, mechanically sensible capacity increase for compatible bolt-action magazine systems. Its angled attachment rail and quality milling prioritize consistent feeding and improved magazine handling for precision shooters who value functional, well-executed upgrades.