.40 to 9mm M&P Shield Threaded Conversion Barrel
.40 to 9mm M&P Shield Threaded Conversion Barrel
 
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Our Price: $149.99
NOTE: It is the customer's responsibility to verify the legality of threaded barrel ownership and installation in their location. RemSport Mfg is not responsible for violations of local laws by their customers.

Stock Status:In Stock

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Product Code: BA-P-MPS-40-9CT
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Description
 
RemSport threaded .40 to 9mm conversion barrel for the M&P Shield.

  • Designed to be a drop-in solution, this barrel converts your .40 S&W Shield to 9mm with little to no fitting.
  • Threaded 1/2-28 and includes a thread protector. (Thread protector may vary from photo due to availability)
  • 100% machined in house from select U.S. sourced 416 stainless steel.
  • CNC diamond honed bore.
  • Improved chamber and feed ramp design for increased reliability.
  • An ultra-durable Ferric Nitrocarburized (Melonite™) black finish that is integral to its performance and function.
  • Overall barrel length 3.65"
  • Compatible with both 1.0 and 2.0 Shields.
  • Must be used with a 9mm magazine.
  • Lifetime warranty on all Remsport MFG barrels.

***All parts must be installed by a competent gunsmith. Some fitting and/or tuning may be required. RemSport has no responsibility or liability for the final fit and function of the firearm***

Due to compliance and restrictions concerns we cannot ship to some locations. Orders made in these cases will be cancelled and refunded if applicable.

Average Rating: Average Rating: 4.5 of 5 4.5 of 5 Total Reviews: 17 Write a review »

  0 of 0 people found the following review helpful:
 
5 of 5 Exactly as described July 18, 2026
Reviewer: Anonymous Person  
Ordered a conversion barrel for an MP shield 1.0. Super pleased with customer support, ordering + ship time, and the product itself. Would absolutely recommend

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  0 of 0 people found the following review helpful:
 
5 of 5 Customer Service January 20, 2026
Reviewer: Robert Lawrence from Mechanicsville, MD United States  
Before the barrel arrived, called Andrew and told him I changed my mind and wanted the ported version instead. I think with eagerness, Andrew shipped the ported barrel, emailed a return label and told me there was no charge. Best CS I've ever delt with!
I now have have both barrels in hand. Because they are so nice, think I'm going to keep both and tell Andrew to charge my CC for another barrel.

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  1 of 1 people found the following review helpful:
 
1 of 5 Shield conversion barrel July 16, 2022
Reviewer: Anonymous Person from Beloit, WI United States  
Nice quality, but never got threaded barrel protector with it.  Still waiting 2 months for reply and part to complete order.  Low rating until I get part.

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  0 of 1 people found the following review helpful:
 
2 of 5 2 stars November 2, 2021
Reviewer: Andy Oaks from Kingfisher, OK United States  
I'll make a better review when I receive  the barrel

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  0 of 0 people found the following review helpful:
 
5 of 5 Great Addition May 19, 2020
Reviewer: Robert from Mandeville , LA United States  
Exactly what it says, a 9mm barrel that fits perfectly in the Shield40. Ordered a 9mm magazine and now i can use my Shield40 as a suppressor host while i wait on my Revolution 45.

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