This KAC Aperture Sight Insert snaps into a 300 Meter Flip Up Rear Sight, constricting the peep aperture for a more precise sight picture.
Knights Armament Rear Sight Peep Aperture Insert, 300 Meter
Knights Armament Company
$2.82
This KAC Aperture Sight Insert snaps into a 300 Meter Flip Up Rear Sight, constricting the peep aperture for a more precise sight picture.