FPS SOFTAIR CNC ERGAL PISTON HEAD DOUBLE ORING AVEC BEARINGS TPAVN AIRSOFT INNOVATION A\&K STW/PTW M4 120-ROUND MID-CAP

A\&K STW/PTW M4 120-ROUND MID-CAP MAGAZINE

Realistic bolt movement and design faithful to the original operation

Main Features of the SIG SAUER P320 Airsoft M17

Ratio: High-Speed 13:1 gear ratio

Included: 10 reusable caps

FPS SOFTAIR CNC ERGAL PISTON HEAD DOUBLE ORING AVEC BEARINGS TPAVN AIRSOFT INNOVATION A\&K STW/PTW M4 120-ROUND MID-CAPFPS Softair CNC ERGAL Advanced Piston Head (TPAVN) Product Description The FPS CNC ERGAL Double O ring, Ball Bearing Piston Head (TPAVN) is an advanced upgrade designed to significantly optimize airflow within your AEG cylinder. This high performance head is precision crafted from ERGAL (high strength aluminum alloy) and anodized for a smooth surface finish. FPS SOFTAIR PISTON Key Features Advanced Airflow (8 Ports): Features 8 ventilation ports at