It starts 0.122 at the bottom and tapers to 0.054 at the top. This way, turning the base very slightly effects a change in windage POI. That is, it is not centered on the base, but slightly off set. A second, interesting feature of the FR8’s front sight post is that it also has a windage adjustment feature.
Turning the post counterclockwise will raise the level of the front sight post, effectively lowering the POI (Point Of Impact) on the target. The bottom of the post has very fine threads.
It is adjustable for both windage & elevation. IN ANY CONDITION.REMEMBER THESE ARE ALL NEW PARTS.The front sight post AND TRIPLE FRAME. SLING RING HOLE NOT DRILLED.AS THIS SHOULD BE FITTED TO YOUR BARREL.THIS SITE GETTING HARD TO FIND. SLING RING PIN.and a original HK grenade ring bushing.the reason is that its similar to the FR-7 AND FR-8 GRENADE RING BUSHING.as the original FR-7 FR-8 ELONGATED grenade ring bushing is almost impossible to find.THE THREADED SIGHT POST AND SET SCREW THREAD AREAS CHECKED BY ME TO INSURE FIT. ALL NEW PARTS.INCLUDES FRONT SITE TRIPLE FRAME. (UNFINISHED).FRONT SITE ASSEMBLY FOR SPANISH FR7 FR8. Description: ALL PARTS ARE NEW AND IN THE WHITE.
