This isn't seriously a concern unless you are looking for small items that aren't period right, it's not like I've a pre '86 Colt reduced to bolt this on to to start with. Superb item at a decent price, I like it much a lot more than my Troy XM177E2 https://colt-python-blued-for-sal45554.blogocial.com/the-bright-stainless-government-diaries-67132590