Killflash/ARD - Primary Arms SLx MD-21

Purpose-built for the Primary Arms SLx MD-21, this Killflash/Anti-Reflection Device (ARD) enhances your red dot’s field utility by cutting down lens glare and front-facing reflection. Whether you're operating in direct sunlight or minimizing your signature under observation, this compact solution offers essential protection without sacrificing performance.

Durable, lightweight, and easy to install, it’s the perfect upgrade for users who demand professional-grade control from their optic setup.

Key Features:

• Perfect Fit – Custom-designed for the SLx MD-21 for a secure, no-rattle installation.

• Glare Control – Reduces unwanted reflections to protect your position and preserve visibility.

• Lens Protection – Shields the objective lens from impact and debris in harsh environments.

• Tough and Minimal – Field-tested materials built to endure without adding unnecessary bulk.

MADE IN THE USA. BACKED BY THE LUPUS 9 LABS LIMITED LIFETIME WARRANTY.