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SilencerCo
If you're running an M&P 9 Shield and serious about suppressor use, you need a threaded barrel that fits right the first time—and the SilencerCo AC2290 threaded barrel for M&P 9 Shield delivers exactly that. This is a factory-spec replacement barrel machined from 416R stainless steel, designed to drop into your Shield without modification and accept standard 1/2x28 suppressors and muzzle devices. Whether you're building a home-defense setup that plays nice with your ears or setting up for quiet range sessions, this barrel gives you the foundation to run sound suppression on one of the most popular compact nines on the market.
Built from blast, wear, and corrosion-resistant stainless, the AC2290 is engineered to handle thousands of rounds without degradation. The 1-10" right-hand rifling twist pairs with the industry-standard 1/2x28 muzzle thread pattern, meaning you're not locked into one suppressor brand—you can pick the can that fits your needs and budget. Drop-in fitment means no gunsmithing, no headaches, just unbox it and install it.
SilencerCo barrels are built for shooters who don't accept compromise between reliability, durability, and modularity. If you're already invested in M&P platform suppressors or planning to be, this barrel removes the biggest obstacle between you and hearing-safe shooting.
| Manufacturer | SilencerCo |
| Model | AC2290 |
| Firearm Compatibility | S&W M&P 9 Shield (9mm) |
| Muzzle Thread Pattern | 1/2x28 |
| Rifling Twist Rate | 1-10" RH (right-hand) |
| Material | 416R Stainless Steel |
| Installation | Drop-in replacement |
Yes. The AC2290 is machined to factory dimensions and designed as a drop-in replacement for the M&P Shield. No gunsmithing required.
The 1/2x28 muzzle thread pattern is the most common on compact and full-size 9mm pistols. It will accept the vast majority of modern 9mm suppressors and muzzle devices on the market—you're not locked into one brand.
Yes. The barrel is engineered to work reliably with both subsonic and standard-velocity 9mm ammunition when used with a suppressor or muzzle device.
416R stainless resists erosion from repeated firing, blast effects from a suppressor, and corrosion from moisture and cleaning solvents—all common wear factors in suppressed-fire scenarios. It's built to last thousands of rounds.
SilencerCo
If you're running an M&P 9 Shield and serious about suppressor use, you need a threaded barrel that fits right the first time—and the SilencerCo AC2290 threaded barrel for M&P 9 Shield delivers exactly that. This is a factory-spec replacement barrel machined from 416R stainless steel, designed to drop into your Shield without modification and accept standard 1/2x28 suppressors and muzzle devices. Whether you're building a home-defense setup that plays nice with your ears or setting up for quiet range sessions, this barrel gives you the foundation to run sound suppression on one of the most popular compact nines on the market.
Built from blast, wear, and corrosion-resistant stainless, the AC2290 is engineered to handle thousands of rounds without degradation. The 1-10" right-hand rifling twist pairs with the industry-standard 1/2x28 muzzle thread pattern, meaning you're not locked into one suppressor brand—you can pick the can that fits your needs and budget. Drop-in fitment means no gunsmithing, no headaches, just unbox it and install it.
SilencerCo barrels are built for shooters who don't accept compromise between reliability, durability, and modularity. If you're already invested in M&P platform suppressors or planning to be, this barrel removes the biggest obstacle between you and hearing-safe shooting.
| Manufacturer | SilencerCo |
| Model | AC2290 |
| Firearm Compatibility | S&W M&P 9 Shield (9mm) |
| Muzzle Thread Pattern | 1/2x28 |
| Rifling Twist Rate | 1-10" RH (right-hand) |
| Material | 416R Stainless Steel |
| Installation | Drop-in replacement |
Yes. The AC2290 is machined to factory dimensions and designed as a drop-in replacement for the M&P Shield. No gunsmithing required.
The 1/2x28 muzzle thread pattern is the most common on compact and full-size 9mm pistols. It will accept the vast majority of modern 9mm suppressors and muzzle devices on the market—you're not locked into one brand.
Yes. The barrel is engineered to work reliably with both subsonic and standard-velocity 9mm ammunition when used with a suppressor or muzzle device.
416R stainless resists erosion from repeated firing, blast effects from a suppressor, and corrosion from moisture and cleaning solvents—all common wear factors in suppressed-fire scenarios. It's built to last thousands of rounds.
