KOFN (Keyed Optic Fastening Network)
The KOFN (US Patent Pending) is a new, innovative return-to-zero mounting system designed to attach accessories securely and quickly to a host that has an affixed KOFN base.
To operate, install the KOFN wedge with the wider end forward towards the muzzle. Next, slide the accessory with its attached base onto the wedge until you detect (audible or feel) that the push bar snaps into place and securely locks the assembly. The push bar does not need to be depressed to lock the accessory into place. If rail space is limited, it can be depressed to allow the base to engage the wedge halfway down the channel.
AK Sight Block Wedge (SBW) - The SBW replaces the rear sight leaf on the AK pattern host without any permanent alteration. A rear sight is incorporated into the wedge.
To install, remove the entire bolt assembly from the AK. Remove the existing rear sight and place the SBW into the AK sight block. Screw the two forward fasteners (left/right) into the front portion of the wedge, but do not tighten completely. Install the steel T-nut from inside the rear sight block so that the two shoulders are engaged left/right. Make sure that the steel leveling disc is in the pocket of the wedge, and then push the wedge down until it sits flat. Then install the fastener that engages with the T-nut, and do not completely tighten. Using the provided wrench, adjust the elevation (if required) on the leveling disc to make the wedge parallel to the barrel. Then carefully tighten the remaining fasteners. DO NOT OVERTIGHTEN. If everything looks good, take the fasteners back out one by one, and then reinstall each using the provided thread locker.
