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The SilencerCo AC2290 gives your M&P Shield 9mm the capability to run a suppressor right out of the box. This isn't some afterthought either – the barrel is precision machined from heat-treated 416R stainless steel and finished in black nitride, so it can handle whatever you throw at it. The build quality matters when you're trusting this with your setup.
The 1/2×28 threading is the standard for 9mm pistol suppressors, which means compatibility with most quality suppressors on the market. SilencerCo manufactures these barrels through KKM, which brings serious attention to detail to the machining process. The threads are cut cleanly, and they include a thread protector to keep things safe and clean when you're not running a suppressor.
This barrel drops into both generations of the M&P Shield without any fitting or gunsmithing required. It's a factory-compatible replacement that maintains the Shield's reliability while giving you the threading you need. The fit is tight and precise, which is what you want from a upgrade like this.
The black nitride finish isn't just for looks. It provides real protection against corrosion and wear, making this barrel tough enough for serious use. 416R stainless steel is the right choice for a duty-grade pistol barrel because it holds up under pressure and offers excellent reliability across different ammunition types. Keep in mind you'll need a piston if you're pairing this with a suppressor.
Yes. The AC2290 is compatible with both M&P Shield 1.0 and 2.0 models chambered in 9mm. It's a straightforward drop-in replacement with no gunsmithing required.
The 1/2×28 thread pitch is the standard for 9mm pistol suppressors, so it works with most quality suppressor options on the market. You'll need to check your specific suppressor's compatibility, but the threading itself is widely compatible.
You'll need a piston that matches your suppressor choice. The barrel itself comes threaded and ready, but the piston is sold separately and required for suppressor operation.
Black nitride provides a hardened surface that resists corrosion and wear better than bare stainless steel. This means the barrel will hold up under regular use and harsh conditions while maintaining its tight tolerances.
| UPC | 816413022573 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | AC2290 |
| Caliber/Gauge | 9mm |
| Color | Black |
| Length | 3.50" |
| Model | |
| Package Height | 1.3 |
| Package Width | 1.3 |
| Product Type | Accessory-Barrels |
| Shipping Weight | 0.253 |
| Style | Threaded |
| Thread Pattern | 1/2"x28 |
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