Holosun 407/507K Adapter for MOS (2026) SP-WADNS-111 SRS A2 G-Spec Barrel

SRS A2 G-Spec Barrel

"It is a direct mount that allows the installation of a polycarbonate protective plate developed exclusively for the Tokyo Marui Gas Blowback Hi-Capa 5

Muzzle flash simulation function

1 brass air brake (VSR/SSG10 piston design)

What makes this Cylinderhead different and how does it work

Holosun 407/507K Adapter for MOS (2026) SP-WADNS-111 SRS A2 G-Spec BarrelOverview Mount your Holosun 407K or 507K red dot sight directly onto any firearm equipped with a Mosquito Optic System (MOS) footprint. This precision milled adapter ensures perfect alignment, secure attachment, and maintains a consistent cheek weld for rapid target acquisition. Key Features Universal Compatibility: Designed specifically for Holosun 407K and 507K optics on MOS compatible platforms (primarily Glock pistols). Precision Fit: CNC machined