Sig Sauer 8901483 Black Polymer Fits P320/M18
$81.88
The Sig Sauer 8901483 is a factory replacement grip module for P320 and M18 shooters who want to dial in their pistol's ergonomics or need to swap worn polymer. This black polymer grip module is engineered for the P320 Compact X-Series platform and works with fire control units (FCUs) chambered in 9mm, .40 S&W, and .357 SIG. It fits both the 3.9" and 3.6" slide configurations, making it a versatile upgrade or repair part for compact-frame P320 users.
Sig designed this module with a medium grip circumference to suit a broad range of hand sizes without sacrificing control or ergonomics. The standard polymer construction is durable and low-maintenance—exactly what you'd expect from a factory Sig part. Magazine disconnect compatibility is built in, so you get the safety features Sig designed into the X-Series platform without compromise.
Whether you're building out a P320 Compact for duty carry, sport shooting, or precision work, or you're restocking an M18 frame, this OEM grip module gives you the confidence that comes with using genuine Sig hardware. It's a straightforward swap: no guessing, no compatibility headaches, just a Sig part that works with Sig platforms.
Key Features
- Factory Sig Sauer OEM grip module for P320 Compact X-Series and M18
- Compatible with 9mm, .40 S&W, and .357 SIG fire control units
- Fits 3.9" and 3.6" slide configurations
- Medium grip circumference for balanced ergonomics
- Magazine disconnect compatible
- Durable black polymer construction
Specifications
| Brand | Sig Sauer |
| Model | P320, M18 |
| Platform | P320 Compact X-Series |
| Grip Size | Medium |
| Material | Standard Polymer |
| Color | Black |
| Compatible Calibers | 9mm, .40 S&W, .357 SIG |
| Compatible Slide Lengths | 3.9", 3.6" |
| Magazine Disconnect | Yes |
Frequently Asked Questions
Will this grip module fit my P320 Compact?
Yes, this grip module is designed for the P320 Compact X-Series platform and works with both 3.9" and 3.6" slide configurations. It's compatible with fire control units in 9mm, .40 S&W, and .357 SIG. If your P320 uses a different caliber FCU or a different size variant, verify compatibility before ordering.
Is this grip compatible with my M18?
Yes, this Sig Sauer 8901483 is listed as compatible with the M18 platform. Make sure your fire control unit is one of the supported calibers: 9mm, .40 S&W, or .357 SIG.
What calibers does this grip module support?
This grip module is compatible with P320 and M18 fire control units in 9mm, .40 S&W, and .357 SIG only. It does not support other caliber FCUs.
Does this come with a fire control unit?
No, this is a grip module only. You will need to have a compatible fire control unit to complete your pistol assembly.
