108 American Shooting Journal // August 2019
Step 23:
Slide the upper and attached subframe onto the frame. At a final stage, loading with the hammer up helps insert the
subframe. Make sure the subframe lock is in the lowest position after assembly.Step 22:
With locking block installed on the upper, press the subframe onto it. Supporting the back of the subframe, snap the
subframe onto the front of the locking lug. If properly installed, the lower frame will stay on the upper without any support.
Make sure the hammer is in loaded position.Step 24:
Install mag follower assembly. At near-assembly, the floor plate will have to be pushed in from the front into the frame until it
snaps onto the bottom button catch.
Assembly is complete. Editor's note: For more information on Eugene Golubtsov, see lugerman.com.