High Standard Upper Parts Kit includes ejection port cover, ejection cover hinge pin, ejection cover hinge clip, ejection cover spring, forward assist plunger, forward assist retaining pin, forward assist spring, delta ring, handguard snap ring, weld spring, DPMS mid-length gas tube, gas tube roll pin, flash hider washer and peel washer.
AR-15, Issue:08, Page:029
Big Book Catalog, Issue:65, Page:029