Data sheet
Description
5KU-413-BK
BRAND 5KU
1913 Rail Stock Adapter designed for Archwick B&T APC9-K GBB platforms, CNC machined from aluminum to ensure durability, precision, and reliability on gas blowback systems.
It allows installation of stocks compatible with the M1913 (20mm Picatinny) standard, providing maximum modularity for advanced tactical builds.
Compatible with JMAC / MCX style folding systems, enabling compact, modern, and fully customizable setups.
Key Features
- CNC aluminum construction
- M1913 20mm Picatinny rail
- Compatible with JMAC / MCX style folding systems
- Solid and durable structure
- Optimized for GBB platforms
Compatibility
- Archwick B&T APC9-K GBB SMG
- Compatible replicas with similar specifications

