9/16" x24 Barrel Shim Kit for .40 S&W 40 Cal (20 Pack)

9/16" x24 Barrel Shim Kit for .40 S&W 40 Cal (20 Pack)

comments:

dirthawg posted on r/ak472w

https://a.co/d/0ahdxqw1 This is what I used to time a 74-style brake to a 47. They fit between the detent and the barrel threads. I can't really remember it's been so long, but it didn't take any customization.