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Reviews & Ratings for SIG SAUER P365 9 mm Factory Replacement Barrel — 5 reviews

(5 reviews)
SIG SAUER P365 9 mm Factory Replacement Barrel
SIG SAUER P365 9 mm Factory Replacement Barrel
As Low As $129.99 Save Up to 28%
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Most Helpful Positive Review Misplaced the original barrel
I bought one of those threaded barrels for my P365. That went great until, I had to send it back. We moved and I couldn’t find the original barrel. I was supposed to get a replacement threaded barrel but that never happened. So I bought a replacement. A few weeks later I found the original. Optics did a great job. Their service is great. Shipping fast. Will buy from them again.
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Drop in for a p365 Macro Comp build

by nate, Verified Owner from AA, United States Written on February 12, 2025
Perfect fitment and lock up, Sig reliable. I took it to the range after building out an Xmacro comp and shot 200 rounds without issues. It was more accurate than I was able to shoot. It seems a bit pricey, but it's well worth it.

I Shot 115, 124, and 147 ammo with variations of hollow point and standard ball, with no issue.

The bottom line is it's good to go right out of the box.
Pros:
  • accuracy
  • Fit
Cons:
  • Pricey
Best Used for:
  • replacement
  • New build
  • Compensator
  • xmacro
Would recommend: Yes
Was it helpful to you? Yes | No
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Great Barrel !

by Michael, Verified Owner from NH, United States Written on January 10, 2025
I prefer to stick with Sig Sauer products instead of aftermarket parts. I actually like the Nitride Barrel better than the TiN; the TiN finish was not very good IMHO. The barrel is a quality barrel and should function as designed.
Pros:
  • Quality
  • Finish
  • Works as a mil-spec part should
  • machined and finished well
Cons:
  • price
Best Used for:
  • P365 Spectre Comp
Would recommend: Yes
Was it helpful to you? Yes | No
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Factory best!

by Mikest, Verified Owner from IN, United States Written on February 23, 2024
Genuine factory part, perfect fit and function, as it should
Pros:
  • Quality
  • Perfect Fit
  • Accurate
  • Genuine SIG
Cons:
  • None
Best Used for:
  • Self defense
Would recommend: Yes
1 of 1 found the following review helpful.
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P365 9mm Replacement Barrel

by EDNEL, Verified Owner from MA, United States Written on December 20, 2023
This 3.1" barrel was purchased to fit a slide without an optic for carry. Fit perfectly and easy to install (identical to after field stripping the pistol for cleaning).
Pros:
  • Fit
  • OEM direct replacement
Cons:
  • None
Best Used for:
  • Spare for additional build
Would recommend: Yes
Was it helpful to you? Yes | No
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Last updated 2025-11-12 UTC.