Hammer assembly should be cocked prior to installing the selector lever.
Selector lever (9), if installed, must be positioned to BURST. Long leg of automatic sear (10) spring must rest on top of selector lever.
5. Install selector lever (9) and automatic sear (10).
6. Install automatic sear pin (11) (install on the right side) into receiver using drive pin punch. Push in until flush.
7. Install magazine catch spring (12) and magazine button (13).
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