The Details:

• Lightweight.
• Low-drag, snag-free design prevents interference with other gear.
• Clean lines and elegant design provides improved aesthetics and ergonomics.
• Aggressive enhanced texturing to increase surface traction but strategically paneled  with comfort in mind.
• Storage compartment and pass through channels for battery storage on front wired airsoft guns or storage of small miscellaneous tools and items.
• Easy and simple installation.
• Compatible with any 1913 picatinny railed surface

Specification:

• Color - Black 
• Material - High Performance Reinforced Polymer
• Dimension - 118 x 50 x 32mm approx. (without packaging)
• Weight - 68g approx. (without packaging)
• Compatibility - 1913 Standard Picatinny Rail
• Internal Cavity Dimensions/Battery Storage Capacity - 100 x 21 x 16mm