Sig Sauer GRIPMODXF943SMBLK P320 Grip Module X-Series (Small Size Module), 9mm Luger/40 S&W/357 Sig, Black Polymer, Fits Full Size Sig P320 (4.70")
$81.88
- Firearm Group:
- Handgun
- Firearm Make Fit:
- Sig Sauer
- Frame Finish:
- Black
- Frame Material:
- Polymer
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.
Key Features
- Accepts your existing P320 firing control unit—no need to buy a complete pistol
- Supports 9mm Luger, .40 S&W, and .357 SIG calibers with appropriate slide and barrel
- Black polymer construction for durability and customization potential
- Small-size module fits full-size P320 4.70" frame footprint
- X-Series ergonomic design and controls
- Compatible with SIG Mark baseplates (not older "SIG SAUER" stamped magazines)
Specifications
| 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 |
Frequently Asked Questions
Do I need anything else to use this grip module?
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.
What magazines work with this grip module?
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.
Will this fit my full-size P320?
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.
Can I switch calibers with this module?
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.
Firearm Shipments:
To buy rifles or shotguns, you must be 18 years old, and for handguns, actions, or receivers, the minimum age is 21. By placing an order for this firearm, you confirm that you are the legitimate transferee/buyer, meet the legal age requirements, and comply with all Federal, State, and local laws and regulations necessary to purchase this firearm.
We only ship firearms to valid Federal Firearms License (FFL) holders. At checkout we provide a FFL locator for your convenience.
We will need a copy of the FFL’s license to facilitate the process, kindly request your dealer to email us a copy of their FFL, as we cannot dispatch the firearm until we receive this document. It is imperative for the buyer to choose their FFL dealer, ensure they are willing to facilitate the transfer, and have them email their FFL copy to BOSQUE Outdoors. To avoid any confusion, the customer's name or order number must be mentioned in the email containing the FFL.
Email: [email protected]
- Prior to placing an order, it is the buyer's responsibility to understand and adhere to their state's firearm regulations.
- The buyer should verify with their receiving dealer that the chosen firearm is legally permissible in their state.
- The buyer is accountable for any transfer fees or background check charges imposed by the receiving dealer. If the designated dealer declines to accept the firearm delivery, the buyer assumes responsibility for shipping costs to retrieve the firearm and resend it to an accommodating dealer.
- Handguns will be shipped using air transportation, while long guns can be shipped using ground methods. If your order includes a mix of firearm and non-firearm items, BOSQUE Outdoors will send the firearm(s) to your selected FFL dealer and the remaining non-firearm items to your billing address.
- Firearms cannot be returned to BOSQUE Outdoors; please contact the manufacturer for warranty claims.
- Firearms refused by the FFL Dealer or which cannot be transferred due to a failed background check are subject to a $75 restocking fee plus 10% of the purchase price.
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