A.T. Robertson Commentary 1 Peter 1:9

"receiving the end of your faith, [even] the salvation of [your] souls." — 1 Peter 1:9 (ASV)

Receiving (κομιζομενο). Present middle participle of κομιζω, old verb, to receive back, to get what is promised (5:4; Hebrews 10:36).

The end of your faith (το τελος της πιστεως). The conclusion, the culmination of faith (2 Corinthians 3:13; Romans 2:21f.; 2 Corinthians 10:4). See Heb 12:2 of Jesus as "Pioneer and Perfecter of Faith."

Even the salvation of your souls (σωτηριαν ψυχων). No "even" in the text, just the accusative of apposition with τελος, viz., final salvation.