RADIAN WEAPONS BACKSTRAP + MAGWELL COMBO FOR SIG SAUER P365 XMACRO The Radian P365-XMACRO Backstrap + Magwell were designed in tandem to provide users with a major upgrade in ergonomics, providing a more secure grip on one of the most popular everyday-carry firearms on the market today - The Sig Sauer P365-XMACRO. The P365-XMACRO Backstrap features aggressive and deep channels which maximize surface contact, and enhance overall grip, all while remaining forgiving on the hand. The palm swell allows for a repeatable connection resulting in more control of the firearm, leading to improved accuracy and quicker follow-up shots. The front of th Mfg: Radian Weapons