Ar-15 Rear Sight Elevation Knob Spring - Ar-15 Rear Sight Elevation Knob Spring, Silver

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle. Mfg: Brownells SPECS: Materials and finish at least equal to OEM parts. Chrome silicon springs indicated by (CS).