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The Radian backstrap and magwell for the P365 X-Macro work together as a matched pair to transform how your grip feels and performs. Built from aircraft-grade aluminum, both components feature deep, aggressive channels that dig into your palm and support hand for maximum contact surface. The backstrap adds a pronounced palm swell that gives you a consistent reference point every time you grip the gun, translating into better control and faster follow-up shots.
The magwell portion guides your magazine into the gun during reloads while your hand naturally lands in the right spot. The flared feed walls work smoothly whether you're running tactical reloads or administrative ones, all without making the grip feel bulky or uncomfortable to carry daily. The whole system stays low profile, so it won't add unnecessary bulk when concealed carrying. It's designed to work with all OEM P365 X-Macro magazines and extensions without any modification needed.
Radian engineered this with a precision-machined dovetail interface paired with a spring-loaded ANGLE-LOK retention stud. There are no screws to come loose, back out, or break. Drop the backstrap into the dovetail, tighten the retention stud with the included tool, and you're done. The aluminum construction keeps things lightweight while delivering the durability you need from a carry gun accessory. Multiple users have praised the fit, finish, and how solid the installation feels over time.
Yes, the magwell is designed to work with all OEM P365 X-Macro magazines and base pad extensions without requiring any modification. Magazine compatibility is a core feature of this system.
No. The precision-machined dovetail interface and spring-loaded retention stud handle the installation. Radian includes the retention stud tool needed for installation, and no screws are required. You won't deal with fasteners backing out during normal use.
The backstrap and magwell add measurable volume to the grip module compared to the factory setup, particularly at the magwell. While users with larger hands tend to prefer the extra contact surface for control, this added dimension can affect concealed carry profiles. The low-profile design helps minimize the impact, but it's worth considering if you carry in a tight setup.
This system is engineered as a matched pair to work together. While some users have combined components from other manufacturers with factory parts, Radian designed the backstrap and magwell to complement each other. For best results and fit, use them as a set.
| UPC | 810098420877 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | R0878 |
| Color | Gray |
| Length | 5.1500 |
| Model | |
| Product Type | Grip Accessories |
| Shipping Weight | 0.199 |
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