4" .40 to .357 Sig M&P Shield Conversion Barrel
4" .40 to .357 Sig M&P Shield Conversion Barrel
 
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Our Price: $149.99

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Product Code: BA-P-MPS-4-40-357C
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Description
 
Remsport 4" .40 S&W to .357 Sig Conversion Barrel for the 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 4.02"
  • Lifetime Warranty on All RemSport Mfg Barrels
  • Compatible with 2.0 Shields with 4" Barrel. Will Not Fit 3.1" Models
***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: 5 of 5 5 of 5 Total Reviews: 4 Write a review »

  0 of 0 people found the following review helpful:
 
5 of 5 .357 Sig 4" barrel Sunday, April 6, 2025
Reviewer: Brett Weaver from Lawrence, MI United States  
Nice drop in conversion. Very accurate!  Highly recommend.

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  0 of 0 people found the following review helpful:
 
5 of 5 Great product!!!even better customer service. Tuesday, March 18, 2025
Reviewer: Kaleb Rusk from Kansas City, MO United States  
I bought 2x 40 to .357 sig barrels from these guys.quality is excellent.fit and finish is about perfect for a aftermarket barrel.both came with polished feed ramps.i called and had a couple questions before ordering and got all the awnsers I was looking for from Andrew.great service.extremely fast shipping i ordered express mail and it came from Massachusetts to Missouri in 1 day.great product great service.highly recommended.

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  0 of 0 people found the following review helpful:
 
5 of 5 Top quality here in record time Sunday, April 21, 2024
Reviewer: c. jones from raeford, NC United States  
I honestly had to look to see if a) I paid for expedited shipping and b) did it really come USPS the whole trip. Arrived even before my FFL called to pick up the new PC Shield .40. Second time buying a 40-357 conversion barrel from these guys. Last one worked so well the owner of the indoor range traded a NIB G20 Gen 4 with night sights straight up.

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  0 of 0 people found the following review helpful:
 
5 of 5 Excellent Saturday, February 19, 2022
Reviewer: Steve Butts from Commerce City, CO United States  
Good quality product barrels  easy check out pretty fast shipping. Happy satisfied customer.

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