Description
There's a reason so many P365 owners end up swapping their factory grip module before they've even put a thousand rounds through the gun. The polymer frame that Sig ships is thin, functional, and about as exciting as a butter knife. The Sharps Bros Gen 3 grip module changes that equation completely, replacing the stock piece with a chunk of machined billet aluminum that's built to feel like an extension of your hand instead of a placeholder.
Gen 3 P365 X/XL Grip Module Construction
This version of the grip module represents the third evolution of Sharps Bros' take on the P365 platform. It starts as a solid block of 7075-T6 aluminum before being machined down to shape, then finished in a Mil-Spec black anodized coating with matching black anodized aluminum grip panels. Compared to earlier generations, the Gen 3 brings more aggressive texturing on the panels, a redesigned steel lug system for a tighter fit, and built-in provisions if you ever want to add a magwell funnel down the road.
Ergonomics Behind the P365 X/XL Grip Module
Where the stock Sig module sits at about 1.1 inches wide, the Gen 3 bumps that up to 1.3 inches, giving your hand noticeably more to grab without turning the gun into something you can't carry comfortably. The trigger guard gets an undercut with finger grooves so your support hand sits higher and tighter, and ambidextrous thumb ledges on both sides give you a natural index point no matter which hand you shoot with. That added aluminum also brings the module up to roughly 4.3 ounces versus the OEM polymer's 1.4 ounces, weight you won't notice riding in a holster but will appreciate when it comes to taming felt recoil during range time.
Fitting the Sharps Bros Gen 3 to Your Pistol
This module is built as a direct replacement for the standard polymer P365X and P365XL grip, and it plays nice with any P365 slide, including the standard P365, P365X, P365XL, and X-Macro. Keep in mind your magazine release assembly isn't included, so you'll reuse your factory part or pick up a replacement separately. Because of the integrated thumb ledges, most off the shelf Kydex holsters will need a little heat reforming to seat properly, though holsters built specifically for this grip module are also available if you'd rather skip that step.
Key Specifications
- Manufacturer: Sharps Bros
- Manufacturer Part Number: SBGM01-G3-BLK
- UPC: 850057873825
- Model: Gen 3
- Color: Black/Black
- Material: Billet 7075-T6 Aluminum
- Finish: Mil-Spec Black Anodized
- Grip Panels: Black Anodized Aluminum
- Grip Width: 1.3 inches (vs 1.1 inches OEM)
- Approximate Weight: 4.3 ounces (vs 1.4 ounces OEM polymer)
- Slide Compatibility: P365, P365X, P365XL, P365 X-Macro
- Trigger Guard: Undercut with finger grooves
- Thumb Ledges: Ambidextrous, patent licensed U.S. 9,194,649
- Product Type: Grip Module
What’s Included
- Sharps Bros Gen 3 grip module
- Pre-installed black anodized aluminum grip panels
- Grip panel mounting hardware
Frequently Asked Questions
Will the Sharps Bros Gen 3 grip module fit my P365 X-Macro or standard P365?
Yes, this grip module is built to accept any P365 slide, including the standard P365, P365X, P365XL, and X-Macro. Just keep in mind this is the X/XL sized module, so it's designed around 12-round flat base plate magazines rather than the compact 10-round setup.
Does the Gen 3 grip module come with a magazine release?
No, the magazine release assembly is not included with this grip module. You'll transfer your factory release over from the OEM grip, or pick up a replacement separately if needed.
Will my current holster still work with this grip module?
Most likely it will need some adjustment. The integrated thumb ledges on the Gen 3 module change the profile enough that standard Kydex holsters usually need minor heat reforming to seat correctly, though holsters made specifically for this module are also an option.
Does the added weight of the aluminum grip module make the pistol harder to carry?
Not really. The Gen 3 module adds roughly 3 extra ounces over the factory polymer piece, which is barely noticeable while holstered day to day. Where you do notice it is on the range, since that extra weight helps settle the gun and reduce felt recoil between shots.






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