STEP 1:
Make sure the rifle is completely unloaded with magazine removed. With proper size screwdriver, loosen stock screws, center safety, and remove stock. With a 3/32 punch and mallet, push or tap out the two trigger guard assembly cross pins and remove the trigger guard assembly.
STEP 2:
Push or tap out ejector pin and remove ejector. Push or tap magazine latch pin just clear of the bolt lock. Remove the bolt lock while the magazine latch pin holds the magazine latch captive.