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Radian Weapons SIG P365 XMACRO Backstrap and Magwell
$192.09 $149.95 Save 22%
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Most Helpful Positive Review Expensive but well worth it
I have large hands being 6'10" and the standard macro grip, while far superior to the standard 365 was still uncomfortable. This backstrap and magwell makes this small edc feel and control like a full framed gun thanks to the pinky groove and aggressive checkering. Machine quality is also absolutely...
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Most Helpful Negative Review P365 Radian Backstrap & Magwell
Looks better than it feels. Doesn't feel bad, but it features some sharp edges that are not the most comfortable in the hand. Solid construction and easy installation.
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A Must for X-Macro

by Stake, Verified Owner from MI, United States Written on March 31, 2026
Adds improved grip/feel to X-Macro grip module and has a nice aggressive look. The weight from the magwell/backstrap makes it feel much more balanced and locks you in high and tight to the beaver tail. Magwell gives an additional point in contact at the bottom to manage recoil. 100% recommended getting the radian baseplates but OEM 17 sig mags fit in magwell. Magpul 17 round mags will not fit in magwell without significant modification.
Pros:
  • Improved accuracy and grip
Cons:
  • None
Best Used for:
  • EDC
Would recommend: Yes
Was it helpful to you? Yes | No

looks great

by Al, Verified Owner from IA, United States Written on March 31, 2026
I love it, comfortable, and changes the look completely!!
Would recommend: Yes
Was it helpful to you? Yes | No

Solid Magwell

by Bob, Verified Owner from AZ, United States Written on March 24, 2026
Feels good in the hands adds that extra weight missing from the original xmacro grip
Would recommend: Yes
Was it helpful to you? Yes | No

Excellent feel and look!

by SK31, Verified Owner from NC, United States Written on March 10, 2026
Really happy with the Radian backstrap/magwell! The fit is spot on and it looks great on an Armory Craft lower. It feels comfortable in the hand and made a big difference in grip, way more control than before. Definitely a solid upgrade. Quality is top notch and it just feels right once installed. Highly recommend!
Pros:
  • Quality
  • Function
  • Design
  • Look
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

P365x Radian back strap & magwell flare

by Wooodup1, Verified Owner from CA, United States Written on March 4, 2026
Super high quality finish, awesome looking and gives you a natural higher grip, adding minimal bulk to handle. High end quality
Pros:
  • Natural Angle
  • Natural higher grip
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

Comfortable Grip

by Jorge, Verified Owner from FL, United States Written on February 25, 2026
This was easy to install and provides a nice non-slip grip. Excellent product.
Would recommend: Yes
Was it helpful to you? Yes | No

perfect upgrade for X macro

by Joshua, Verified Owner from GA, United States Written on December 9, 2025
This is a perfect upgrade for your sig xmacro.
Aesthetically pleasing but also offers better grip. Radian products are made out of good materials and it was easy to install. Definitely worth it.
Would recommend: Yes
Was it helpful to you? Yes | No

not a true black

by g, Verified Owner from CA, United States Written on October 26, 2025
Received the product, however, the item is not black at all. It’s like a washed out black/purple.
Would recommend: No
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No

great upgrade !!!

by John S, Verified Owner from FL, United States Written on September 30, 2025
Amazing grip !!! It makes the gun even more comfortable to hold and shoot.
Would recommend: Yes
Was it helpful to you? Yes | No

Excellent Enhancement for Sig P365 X-Macro

by CF Racer, Verified Owner from NY, United States Written on September 21, 2025
I put this on my EDC and almost immediately ordered another set for my backup. Just feels great and provides a solid connection to the X-Macro frame. The magwell adds almost no extra width and is retained with a spring pin you insert into the lower edge of the backstrap - a really clean, great design.
Pros:
  • None
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No
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