SI Takedown Pins for AR15 HK416 M4 Receivers Type:red Material: nylon + metal

Material: nylon + metal

motor is blocked

Because there are differences between Russian and Chinese heads

Enhance your gel blaster's performance today

resolving the issue of unintentional multi-shot in semi-auto mode and reducing stress on gearbox internals

SI Takedown Pins for AR15 HK416 M4 Receivers Type:red Material: nylon + metalUpgrade your build with precision machined SI Takedown Pins, engineered for a secure and rattle free fit on AR15, HK416, and M4 platform receivers. Designed for drop in installation with no gunsmithing required, these pins deliver consistent performance and a clean, professional finish. A must have upgrade for any serious builder or enthusiast. Specificatinos: Material: cnc alloy metal. Color: black; tan; blue; red. Size: 3. 4*1. 3cm & 2. 8*0. 9cm.