https://shootersdelight.com.au/product/anschutz-spring-clamp-1416-1516-64sbr-1903-extractor-circlip/
ANSCHUTZ SPRING CLAMP 1416 1516 64SBR 1903 EXTRACTOR CIRCLIP - Shooter's Delight
ANSCHUTZ SPRING CLAMP 1416 1516 64SBR 1903 EXTRACTOR CIRCLIP
spring clamp