Description
Rival Arms Threaded Barrel for S&W M&P9 Standard – 9mm 1/2×28 Black
The Rival Arms Threaded M&P9 Barrel for Smith & Wesson M&P9 Standard delivers match-grade performance and suppressor compatibility in a reliable drop-in upgrade. Precision CNC-machined from 416R stainless steel billet, this ~4.6-inch barrel features a 1:10 twist, 6-groove rifling, and a target crown for tighter groups and consistent accuracy.
The black Melonite/DLC finish provides excellent corrosion resistance and a sleek, low-profile appearance that matches the M&P aesthetic. Fully threaded (1/2×28 RH) with an included black thread protector, it’s ready for suppressors, compensators, or muzzle devices without any gunsmithing required. The Borslick Boron Nitride DCD bore treatment reduces friction, improves velocity, and simplifies maintenance. Ideal for competition, duty, home defense, or suppressed shooting builds, this Rival Arms Threaded M&P9 Barrel significantly outperforms the factory barrel in accuracy and durability while maintaining full compatibility with your M&P9 full-size pistol. Upgrade your S&W M&P today with this high-quality, black threaded drop-in barrel.
- Model: Rival Arms Threaded Barrel (V1 or V2 series for M&P)
- Compatibility: Smith & Wesson M&P9 (Standard / Full-Size models, Gen 1–4; most common for 4.25″ barrel versions)
- Caliber: 9mm Luger (9×19mm)
- Barrel Length: ~4.6–4.7 inches (extended to accommodate threads)
- Barrel Material: 416R stainless steel (CNC-machined billet)
- Finish: Black Melonite / DLC (durable, corrosion-resistant coating)
- Rifling: 6-groove, 1:10 twist rate
- Muzzle: Threaded 1/2×28 RH, includes black thread protector
- Crown: Target crown for improved accuracy
- Bore Treatment: Borslick Boron Nitride DCD (reduces friction, easier cleaning)
- Installation: True drop-in (no fitting required on most M&P9 full-size models)
- Features: Match-grade precision, improved accuracy over factory barrel, suppressor-ready, enhanced durability


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