.40 to .357 Sig M&P Performance Center Ported Shield Conversion Barrel
.40 to .357 Sig M&P Performance Center Ported Shield Conversion Barrel
 
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Our Price: $149.99

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Product Code: BA-P-MPS-40-357C-PC
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Description
 
Remsport .40 S&W to .357 Sig Conversion Barrel for the Performance Center M&P Shield.
  • Designed as a Drop-in Solution, This Barrel Converts Your .40 cal Shield to .357 SIg Without Requiring Fitting.
  • 100% Made in House from Select U.S. Sourced 416 Stainless Steel
  • Precision Broach Cut 1:16LH Twist Rifling
  • CNC Diamond Honed Bore
  • Improved Chamber and Feed Ramp Design for Increased Reliability
  • Barrels are Ferritic-Nitrocarburized (Melonite™) for an Ultra-Durable Black Finish that is Integral to the Unit's Performance and Function
  • Overall Barrel Length 3.1"
  • Lifetime Warranty on All RemSport Mfg Barrels
  • Compatible with both 1.0 and 2.0 Shields
  • Must Be Used In Performance Center Ported Slides! Damage Will Occur To Your Firearm If Installed In a NON Ported Slide! We are not responsible for any damages that may result from failure to understand this! Please, check that your ports line up before firing!

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

Average Rating: Average Rating: 4.5 of 5 4.5 of 5 Total Reviews: 20 Write a review »

  0 of 0 people found the following review helpful:
 
5 of 5 M&p shield performance center m2.0 January 22, 2026
Reviewer: Toby from Elkhart, IN United States  
The barrel shipped fast and in perfect condition and packaged good and now just gotta try it out.

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  0 of 0 people found the following review helpful:
 
5 of 5 40 to 357sig barrels January 17, 2026
Reviewer: Matt McAfee from Morrison, TN United States  
Andrew was extremely helpful to me. Very professional and courteous. I appreciate him!

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  0 of 0 people found the following review helpful:
 
5 of 5 Conversion Barrel July 19, 2025
Reviewer: George TAGLIOLI from Pueblo, CO United States  
Ap;ears to be a very well made Conversion Barrel.  Looking forward to use it.

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  0 of 0 people found the following review helpful:
 
5 of 5 Awesome product. A+++ July 3, 2025
Reviewer: Stephen Martinez from Lake Worth , FL United States  
The .357 Sig conversion barrel fits perfectly right into the S&W PC Shield 2.0 40 cal. Made of excellent quality steel and with the correct dimensions for the ported slide. Fast shipping and excellent service. Made me one very happy customer.

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  0 of 0 people found the following review helpful:
 
5 of 5 M&P Shield .357 Barrel March 11, 2025
Reviewer: Steve Iarossi from Albany , NY United States  
Item as described.  High quality.  Fits and operates perfect.  I haven’t tested yet but confident that will function fine.  Fast shipping.

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