The Sig Sauer P365 X Macro Magwell by Tyrant CNC - the perfect upgrade to take the P365 to the next level. CNC machined from high-quality 6061 aluminum, this P365 magwell is designed to enhance shooting experience by providing a larger funnel for faster and smoother magazine changes. Modeled specifically for the P365 X Macro 17 round magazine and frame, this Tyrant CNC made magwell retains a slim profile to help prevent printing when concealed carrying.