34128 : Smith&Wesson M&P Full Size 9mm 4.95" Extended Length 1/2-28 Thread W/Thread Protector


Machined from certified 416R stainless steel for superior strength, durability, and accuracy. 

Barrels are match grade, hardened to 40-42 HRC and cut broach rifled to shoot jacketed or lead bullets.

All barrels are chambered for full case support.

All Smith & Wesson M&P barrels are drop in and will only occasionally require modification to fit.

Extended lengths are available, as well as ported and threaded options.

Two port options are extended barrels with ports beyond the end of the slide.

Check with the manufacturer of your attachment to verify thread option before ordering. 40S&W-to-9mm conversion barrels require the use of a 9mm magazine.

  • Fits Smith&Wesson M&P Full Size
  • Caliber: 9mm
  • 4.95" Extended Length
  • 1/2-28 Thread
  • Thread Protector
More Information
Barrel Parts Barrels
Compatibility Smith&Wesson® M&P Full size
Caliber/Gauge 9mm
Ported or Threaded Threaded
Barrel Length (inch) 4.95
Manufacturer Number 34128
UPC 848589010207
SKU 143404
Brand StormLake
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