After the safety is out, the ball failed to appear to wish to slide out in both direction in any of them, but a small punch can drive it out from the top and it will fall into your safety button opening. Here are the parts, arranged as assembled: https://http-directory.com/listings13118321/the-single-best-strategy-to-use-for-smith-wesson-gun-cleaning-products-for-restoring-firearm-condition-and-safety