UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: July 24, 2018 11:00 A.M.
Form: N-1A
CIK: 0001738073
Company Name: BlackRock Series Fund II, Inc.
File Number: 333-224375
REFERENCED SERIES/CLASSES (CONTRACTS)
Series ID
Class/Contract Name
S000062374 BlackRock High Yield Portfolio
C000202340 BlackRock High Yield Portfolio
Series ID
Class/Contract Name
S000062375 BlackRock U.S. Government Bond Portfolio
C000202341 BlackRock U.S. Government Bond Portfolio