Description: Kimber Rifle Muzzle Thread Adapter, 7/16x28 to 5/8x24. This is a factory original Kimber part. Made to the highest Kimber standards, this part is the ideal replacement part for your kimber firearm or to keep your gun in top operating condition. Mar 19, 2018 · Next couple of three months or so I an intending to buy one of the mini or micro Draco pistols because not really sure, just want. Whether I end up with the 6 or 7 inch barrel model, don't know yet. Do know I want a Noveske-type flash hider for it. Recommendations, anyone?