Out of stock
Lone Wolf AlphaWolf 3.9" 9mm Barrel Conversion For 40 S&W Shield
Out of stock

Lone Wolf Alphawolf 3.1" Barrel for M&P Shield 40-9 Conversion Barrel Stock Length, Salt Bath Nitride - AW-SWS409N

SKU 802415
Brand Lone Wolf
Model Number AW-SWS409N
UPC 397370708972
Customers must read Compliance Information before purchasing.

Product Details


  • Finish: Salt Bath Nitride
  • Material: 416 Stainless Steel
  • Series/Collection: Alphawolf
  • For Use With: M&P Shield 40-9 Conversion Barrel Stock Length
  • TS_Dimensions_Length: 3.1"


Upgrade your M&P Shield with our AlphaWolf conversion barrel. Take your .40 S&W Shield and convert it to 9mm with our barrel, which also improves accuracy in your compact gun. The AlphaWolf barrel is compatible with both Shield 1.0 and 2.0 models, making it the perfect choice to convert your gun.


  • Convert your .40 S&W to use 9mm
  • Fits S&W Shield .40 S&W
  • Designed for lead, plated, or jacketed ammunition
  • Certified, stress relieved 416 stainless steel
  • Button rifled, 3-stage honed bore
  • Industry recognized SBN premium coating (SBN is salt bath nitride, similar to tennifer)
  • Exacting tolerances allow for drop in installation
  • Fluting creates path for heat and debris to escape
  • Threaded models come with appropriate thread protector installed
  • Fits in a Shield Pro model, but will not utilize slide ports
  • Made in the USA


Q & A


All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.