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Availability: In Stock
The Sig Sauer P320 Grip Module X-Series in small size gives you a way to customize your modular P320 platform. If you're running a full-size P320 with a 4.70" slide and want to swap to the X-Series ergonomics and controls, this grip module accepts your existing firing control unit—letting you rebuild your pistol in 9mm Luger, .40 S&W, or .357 SIG without buying a complete new gun. It's the modularity that makes the P320 popular with shooters who like to tune their carry or duty gun to their hand and caliber needs.
This is a grip module only—you'll need to transfer your existing firing control unit, and you'll need a matching X-Series slide and barrel in your chosen caliber. The black polymer construction is durable and provides a solid platform for custom finishes or upgrades if you want to take it further. Because this is a small-size module, it fits the full-size frame dimensions you're used to, so your holsters and muscle memory stay consistent.
One important note: X-Series grip modules require magazines with a SIG Mark baseplate; they won't function reliably with older magazines stamped "SIG SAUER" on the baseplate. This grip module also does not include the extended magwell or internal weight found on some X-Series builds, so factor that into your setup if you're coming from a different variant.
| Manufacturer | Sig Sauer | |
| Model | P320 Grip Module X-Series (Small Size) | |
| Caliber Compatibility | 9mm Luger, .40 S&W, .357 SIG | |
| Frame Size | Small (Full-Size P320 4.70" dimensions) | |
| Material | Black Polymer | |
| Type | Grip Module Assembly |
Yes. This is a grip module only. You'll need to transfer your existing P320 firing control unit into it, and you'll need a matching X-Series slide and barrel in your desired caliber (9mm Luger, .40 S&W, or .357 SIG). The module does not include the extended magwell or internal weight.
X-Series grip modules are compatible with magazines that have a SIG Mark baseplate. They are not compatible with older magazines stamped "SIG SAUER" on the baseplate.
This small-size grip module is designed to fit the full-size P320 frame, maintaining the 4.70" footprint. You'll need the appropriate X-Series slide and barrel for your caliber choice to complete the build.
Yes, the platform supports caliber swaps by changing the slide and barrel assemblies to 9mm Luger, .40 S&W, or .357 SIG. The grip module itself remains the same.
SKU: 194195749 • Width: 6in • Height: 1.9in • Depth: 10.9in • Weight: 0.44oz
Availability: In Stock
The Sig Sauer P320 Grip Module X-Series in small size gives you a way to customize your modular P320 platform. If you're running a full-size P320 with a 4.70" slide and want to swap to the X-Series ergonomics and controls, this grip module accepts your existing firing control unit—letting you rebuild your pistol in 9mm Luger, .40 S&W, or .357 SIG without buying a complete new gun. It's the modularity that makes the P320 popular with shooters who like to tune their carry or duty gun to their hand and caliber needs.
This is a grip module only—you'll need to transfer your existing firing control unit, and you'll need a matching X-Series slide and barrel in your chosen caliber. The black polymer construction is durable and provides a solid platform for custom finishes or upgrades if you want to take it further. Because this is a small-size module, it fits the full-size frame dimensions you're used to, so your holsters and muscle memory stay consistent.
One important note: X-Series grip modules require magazines with a SIG Mark baseplate; they won't function reliably with older magazines stamped "SIG SAUER" on the baseplate. This grip module also does not include the extended magwell or internal weight found on some X-Series builds, so factor that into your setup if you're coming from a different variant.
| Manufacturer | Sig Sauer | |
| Model | P320 Grip Module X-Series (Small Size) | |
| Caliber Compatibility | 9mm Luger, .40 S&W, .357 SIG | |
| Frame Size | Small (Full-Size P320 4.70" dimensions) | |
| Material | Black Polymer | |
| Type | Grip Module Assembly |
Yes. This is a grip module only. You'll need to transfer your existing P320 firing control unit into it, and you'll need a matching X-Series slide and barrel in your desired caliber (9mm Luger, .40 S&W, or .357 SIG). The module does not include the extended magwell or internal weight.
X-Series grip modules are compatible with magazines that have a SIG Mark baseplate. They are not compatible with older magazines stamped "SIG SAUER" on the baseplate.
This small-size grip module is designed to fit the full-size P320 frame, maintaining the 4.70" footprint. You'll need the appropriate X-Series slide and barrel for your caliber choice to complete the build.
Yes, the platform supports caliber swaps by changing the slide and barrel assemblies to 9mm Luger, .40 S&W, or .357 SIG. The grip module itself remains the same.
SKU: 194195749 • Width: 6in • Height: 1.9in • Depth: 10.9in • Weight: 0.44oz