SI Takedown Pins for AR15 HK416 M4 Receivers Type:red resolving the issue of unintentional

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

20 Axis (215-280 FPS)

Experience 300% greater torque with the CH 460 High Speed Torque Short Axis Motor

Because there are differences between Russian and Chinese heads

SI Takedown Pins for AR15 HK416 M4 Receivers Type:red resolving the issue of unintentionalUpgrade 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.