Magwell - Aero M4E1

This magwell is purpose-engineered for the Aero Precision M4E1 lower. Its compact form increases the magwell funnel size for smoother, vacuum-like reloads while adding no unnecessary bulk or complexity. Designed to stay out of your way, it supports fast reloads and clean manipulations without interfering with your manual of arms. 

Key Features:

• Streamlined Profile – Compact, smooth-edged design that won’t catch on gear, gloves, or kit.

• Enhanced Funnel Size – Expands the magwell opening for vacuum-like reloads and faster magazine insertion.

• Uninterrupted Handling – Contoured to avoid interference during reloads, manipulations, and transitions.

• Minimal Hardware, Maximum Reliability – Uses a single M2 screw and one M2 Nylock Nut (requires 1.5 mm Allen wrench) for a clean install with virtually no failure risks.

Installation Notice:

• Secure the screw until the clamping section begins to close, then apply a small final adjustment.

• Do not overtighten. Excess torque may deform or damage the magwell.

MADE IN THE USA

BACKED BY THE LUPUS 9 LABS LIMITED LIFETIME WARRANTY