OSA Premium Upper Parts Kit (UPK)
This is our Premium Lower Parts Kit, made in the USA by Forward Controls Design.
Includes:
- Low Snag Forward Assist (LSFA) (Dimple or Serrated)
- Forward Assist Roll Pin
- Forward Assist Spring
- EPC, Billet Ejection Port Cover (Single or Twin Dimple)
- Ejection Port Cover Rod
- Ejection Port Cover Spring
- C-Clip
