Bungie Retention for NVG

The HPA version comes standard with 70° ULTIMATE bucking to give you the best range and consistency when putting rounds down range

yet extremely durable

the Generation 2 ProLine has features and qualities unseen in previous Lancer rifles

which should never be obstructed in any way

Angel Custom CNC Aluminum 150% Gen4 Dual Spring Recoil Guide Set for Elite Force GLOCK 17 (Gold) HK Bungie Retention for NVGFeatures Aluminum guide rod Complete with 150% High Strength Recoil Spring Extreme Wear Resistance Double recoil spring system reduces overall recoil of Airsoft pistol while still providing a snappy feeling Installing this Angel Custom spring guide will immediately provide you a noticeable "smoother" recoil and blowback yielding increased performance. Manufacturer: Angel Custom Color: Gold Specifications: Material: Spring Steel, Aluminum