Threaded Barrel 4.75 Inch for M&P 9mm by SilencerCo

Unlock enhanced accuracy and suppressor capability with the Threaded Barrel 4.75 Inch for M&P 9mm by SilencerCo—a top-tier drop-in upgrade built for performance, reliability, and compatibility. Designed specifically for full-size Smith & Wesson M&P 9mm pistols, this precision-machined barrel offers a longer length for increased velocity and a 1/2×28 threaded muzzle for easy suppressor or compensator attachment.

Constructed from premium 416R stainless steel and finished in durable black nitride, this barrel resists corrosion, reduces friction, and ensures long-term reliability in both tactical and range environments. Whether you’re building a suppressor-ready setup or upgrading your factory barrel for tighter groups, this SilencerCo threaded barrel delivers industry-leading quality and performance.

Key Features and Benefits

Suppressor-Ready Threading

1/2×28 thread pitch accommodates most 9mm suppressors and muzzle devices for quiet, recoil-managed shooting.

Extended 4.75″ Barrel Length

Improves muzzle velocity, enhances suppressor effectiveness, and provides a balanced shooting platform.

Match-Grade Precision

Tight manufacturing tolerances result in better shot-to-shot consistency and improved accuracy.

416R Stainless Steel Construction

Highly durable, heat-resistant material engineered for long-term use with both standard and suppressed fire.

Black Nitride Finish

Corrosion-resistant, low-friction coating offers a sleek tactical look and smoother cycling.

Drop-In Installation

Compatible with factory M&P 9mm full-size slides; no gunsmithing required for installation.

Made in the USA

Proudly built in the United States using premium materials and expert craftsmanship.

Specifications

• Caliber: 9mm Luger

• Barrel Length: 4.75 inches

• Thread Pitch: 1/2×28

• Material: 416R stainless steel

• Finish: Black nitride

• Compatibility: Smith & Wesson M&P 9mm (full-size models)

• Weight: Approx. 3.9 oz

• Country of Origin: USA

Usage Instructions

Ensure firearm is clear and safe before beginning. Remove the original barrel and drop in the SilencerCo 4.75″ threaded barrel into the slide assembly. Reassemble the pistol and confirm proper function. Use appropriate thread protectors when a suppressor or muzzle device is not installed.

Warranty

This product is backed by SilencerCo’s limited lifetime warranty, covering defects in materials and manufacturing. For warranty claims or technical support, contact SilencerCo directly.