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Questions & Answers
Does this have notch for chamber loaded indicator. Expert Answer

I would recommend contacting the manufacture.
SilencerCo 801.417.5384

by Ben, Gear Expert, September 17, 2021
Will this barrel fit the Sig M17 full size? Expert Answer

No, the Silencer Co barrel will not work with the M17.

by Robert G., Gear Expert, September 25, 2019
Customer Reviews
Helpful Positive Review
Fits My Sig P320 M17 by Chuck, Verified Owner, May 18, 2023
This barrel fits perfectly into my Sig P320 M17. The M17 has a loaded chamber indicator, and this barrel is notched to accommodate it. Please note that you will need to remove the thread protector in order to insert the barrel.
5/5 found this helpful
Helpful Positive Review
Sig Sauer P226 threaded barrel by Steve D, Verified Owner, January 8, 2025
I purchased this to suppress my Sig P226 SAO Legion pistol in 9mm. Shipping was amazingly fast considering the holiday season, the barrel dropped in perfectly with no required fitting and functions perfectly with my Rugged Obsidian 9 silencer. I foun...
Read More...
1/1 found this helpful
Helpful Positive Review
Solid Barrel for Suppressed P226 Setup by Geoff, Verified Owner, May 1, 2025
Picked up the SilencerCo threaded barrel for my P226 and paired it with a Dead Air Mojave-9. Fit and finish are great — dropped right in with no issues. Threading is clean and the suppressor mounts up tight every time. Accuracy is right where it shou...
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2/2 found this helpful
Helpful Positive Review
Silencerco 226 threaded barrel by MeBrenGun, Verified Owner, September 10, 2025
Couldn't be happier, great alternative to the 13.5×1mm LH threaded factory barrel. One less adapter for the can, and 300+ rounds and counting with no failures. Baseball size groups at 25m.
1/1 found this helpful
Helpful Positive Review
Perfect drop-in threaded barrel by Steve D, Verified Owner, January 14, 2025
I purchased this to replace my OEM Sig P226 SAO Legion barrel to shoot suppressed. Perfect fit with flawless function and great accuracy. I am 100% satisfied.
1/1 found this helpful
Helpful Positive Review
Sig P226 Threaded Barrel by MadManMoore, Verified Owner, January 17, 2024
This is the best price I could find for a threaded barrel for my P226. I have a can in “jail” and wanted to make sure I had the perfect host. Now I do!! The shipping was fast and the barrel is perfect and dropped right in. It also came with a nic...
Read More...
3/3 found this helpful
Read All 42 Reviews
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Product Info for SilencerCo Threaded Barrel - Sig Sauer

SilencerCo Sig Sauer Threaded Pistol Barrels are essential if you want to equip a suppressor to your handgun. These Pistol Barrels are available for Sig Sauer P320, Sig Sauer P320 Compact, and Sig Sauer P226 pistols. Constructed from 416R stainless steel and finished in black nitride, these threaded barrels are incredibly durable and resistant to abrasion, corrosion, and wear. All SilencerCo Threaded Barrels include a thread protector, but you will need to purchase a piston separately if you want to attach a SilencerCo suppressor. Buy a SilencerCo Threaded Sig Sauer barrel today to seamlessly attach a suppressor to your handgun.image

SIG 320 barrel compatibility - Our barrels have been proven to work with these 320 models only:

P320 Full Size:

P320 RX Full-Size

P320 Nitron Full-Size

P320 Compact:

P320 RX Compact

P320 FDE Compact

P320 LIMA Compact

P320 Nitron Compact

 

*NOTE

"Pistons Compatible with Omega K Series, Hybrid 46, Hybrid 46M with Charlie Piston Mount, Osprey Series, Octane Series, & Omega 36M with Charlie Piston Mount."

https://silencerco.com/shop/piston/

WARNING: California`s Proposition 65

Specifications for SilencerCo Threaded Barrel - Sig Sauer:

Manufacturer: SilencerCo
Color: Black
Finish: Nitride
Fabric/Material: 416R Stainless Steel
Caliber: 9mm Luger
Gun Make: SIG Sauer
Included Accessories: Thread protector
Condition: New

Package Contents:

  • SilencerCo Threaded Pistol Barrel
  • All barrels come with a thread protector.

SilencerCo Threaded Barrel - Sig Sauer Orderable Models

List of Orderable Models

  • SilencerCo Threaded Barrel - Sig Sauer , MPN: AC859 , UPC: 817272012057 , Code: 1UL-PTB-PTB-AC859
  • SilencerCo Pistol Barrel, Threaded, Sig P320, Full Size, 9mm, 1/2x28 Thread, Black, AC2413 , MPN: AC2413 , UPC: 816413024058 , Code: 1UL-PTB-PTB-AC2413
  • SilencerCo Pistol Barrel, Threaded, Sig P320, Compact, 9mm, 1/2x28 Thread, Black, AC2486 , MPN: AC2486 , UPC: 816413024065 , Code: 1UL-PTB-PTB-AC2486

SilencerCo Threaded Barrel - Sig Sauer Unavailable & Discontinued Models

List of Unorderable Models

  • USED, SilencerCo Pistol Barrel, Threaded, Sig P320, Full Size, 9mm, 1/2x28 Thread, Black, AC2413 , MPN: AC2413-EDEMO , Code: 1UL-PTB-PTB-AC2413-EDEMO-US-C
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