SI Takedown Pins for AR15 HK416 M4 Receivers

SI Takedown Pins

for hk416, kublai, M4, AR15, SLR gel ball blasters and bd556, ttm, ftm and other v2 receivers.

Material: cnc alloy.

Color: black; golden brown; blue; red.

Package: 1x si pin.

or 4x pin set.