They back in stock at GT dist after being out for months $8
https://www.gtdist.com/slide-stop-lever-spring-extended-9mm-gen-5-g17-g19-g19x-g26-g34mos.html
https://www.gtdist.com/slide-stop-lever-spring-extended-9mm-gen-5-g17-g19-g19x-g26-g34mos.html