The 3 lug mount serves as a direct replacement for the piston assembly within your Obsidian45 suppressor, facilitating its attachment to 3 lug compatible firearms. By integrating this mount internally, it helps minimize the overall length of your firearm. Utilizing a 3 lug mount enables rapid attachment and detachment of your Obsidian45 suppressor from fixed barrel firearms, eliminating concerns about suppressor walk-off during use.