Sufficiently small to fit in the pocket when packing a punch via 9mm JHPs. There may be far more fitment concerns because of the smaller measurement from the DD43.1 but it's however a very well-tested and robust 3D printed Glock body. The Polymer80 PF9 9mm Finish Ghost Handgun characteristics an https://ghostgunsofficial.com/product-category/p80-pistol-ghost-guns/