$242.00 – $262.00
Using exceptionally high-grade material and precision machining every feature in one proprietary process, our barrels deliver unparalleled accuracy and performance. Every barrel is machined with an 11° target crown for greater accuracy and coated with high quality finishes, ensuring the most accurate, reliable barrels available on the market today.
Standard 365 and 365 XL in Threaded and Non-Threaded versions.
Available in Black (DLC), Grey (MDC), or Gold (TIN)
For FAQs and Barrel break in procedures click here
*Due to some rolling changes in designs made by Sig, there is a chance that our parts may not be compatible with your specific gun, despite being noted as compatible with the variation. Please test fit parts CAREFULLY to avoid damage, in case of incompatibility. We will return or exchange undamaged parts.
Due to differences in metal composition and finishing processes, Killer Innovations cannot guarantee exact color matches among our accessory items. For more information please see our detailed explanation.
*Killer Innovations is not responsible if you purchase an item, you cannot legally possess in your state, county, or city. Some states, including but not limited to: Washington, California, New York, Massachusetts, Connecticut, Hawaii, and New Jersey, restrict the sale and ownership of certain firearms and/or firearm parts and accessories. It is your responsibility to know your state and local laws before making a purchase at Killer Innovations.
Only logged in customers who have purchased this product may leave a review.
(844) 214-8622
support@killer-innovations.com
Tumwater, WA, USA
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pamintuand (verified owner) –
I purchased the velocity threaded barrel for my P365X. This barrel so much more accurate over the SIG stock barrel. I followed Killer-Innovations procedures for break-in. Even during the break-in, I had zero issues, FTE or FTF. This is a must upgrade for your weapon!! I have told all my friends that this is the barrel to buy.
Isaac Hoffman (verified owner) –
The velocity barrel is one bad MF. Accurate as can be. First shots were at 50 yards and I was regularly hitting steel with semi rapid fire. The threading is top of the line, I could argue the smoothest threading on any of my guns. The machine work and the gold barrel stand out very nicely on my 365. KI gets my repeat business for sure.
Jestin Keaton (verified owner) –
I recently purchased a p365xl so it hadn’t been shot since it was in the factory. I have a silencer being approved so I figured I’d pick up this threaded barrel and zero it. I followed the break in procedure described in the video in their FAQ. They warn that during the break in process (300 rounds), failures of all types are common. I had 0 failures. Not one. I was able to get the barrel zeroed at 25 yards quickly and used a few mags near the end of the process to practice some from concealed fire. It was great. This barrel is well worth the money. I can’t wait to attach my silencer to it in a couple months.
David Dominguez (verified owner) –
Drop in 365 non threaded. Extremely accurate and no issues. Will def purchase more for other weapons.
Joshua Cox (verified owner) –
So glad I decided to pull the trigger. This is craftsmanship at peak! It’s awesome, testing it out soon. Thanks again.
McKinley Shifflett (verified owner) –
Got the barrel in last night and immediately went to the range. And man the barrel made a world of difference with accuracy, And with the slide and barrel my p365xl works smooth and looks sharp as hell.
Jacob Troy (verified owner) –
Would be 5 stars but the coating on the barrel is wearing off after 150 rounds. No failures what so ever and super accurate.