No. I have owned the Glock 36 for almost 13 years now. It has a 12.4 ounce slide and the main restriction I put on it is to use standard 45 ammo versus +P because it kicks harder than I like with +P in it. Furthermore the 41 has the same weight slide - 13.78 ounces according to Eric - as a Glock 22 which is one ounce more than a Glock 32/23. A 4" XD Service has a 13 ounce slide and so does my USP45c.Thank you guys for your replies. Just one question though. Do you think that the thinner slide of Glock 41 as compared to Glock 21 and other Glock models can have some durability issues of the slide of G41 ?