Categories All About Guns Was it a big mistake to replace the .45 ACP M1911 with the 9mm Beretta M9 in the US Army? Post author By Grumpy Post date June 20, 2026 No Comments on Was it a big mistake to replace the .45 ACP M1911 with the 9mm Beretta M9 in the US Army? ← A scary thought Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ