TNT APS-X Hop-Up System H+ Barrel & TR-HOP bucking Retrofit kit 4 Systema M4 PTW

Features

• Precision CNC machined hop up unit allows for more precise and accurate tuning
• 6.02mm precision inner barrel provides more accurate and consistent shots with improved range and consistency
• Includes TNT TR-HOP bucking
• Red anodized finish

Length: 370mm
Compatibility: Systema PTW M4 AEGs
Material: Aluminum Alloy

Manufacturer: TNT Airsoft / RA-Tech