Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Special offer available for this product. Click here to see!
Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
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
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...
Read More...
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
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.
4/4 found this helpful
Helpful Positive Review
Perfect for Flux Raider by kam, Verified Owner, June 12, 2024
Got this to put on an M17 and drop in a Flux Raider chassis. It works great. Accuracy is there. Only complaint is it not having a peep hole to see if a round is chambered.
1/1 found this helpful
Helpful Positive Review
I initially had to "settle" for this particular barrel when I found out the hard way that the Faxon threaded P320 barrel literally could not fully chamber certain popular defensive loads (Sig v-crown, specifically). I was of course bummed because I w...
Read More...
2/2 found this helpful
Read All 42 Reviews
In Stock
3 Models Available
Barrel Length
All
Gun Model
All
Search

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
Threads per Inch: 1/2x28
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
Compare (0)