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Questions & Answers
Is this a velocity barrel? Manufacturer Answer

Yes, this is a Velocity barrel.

by Killer Innovations, Manufacturer, July 30, 2025
Will this work with an sig p320 full grip module, a compact slide (3.9in) and the HC320FL COMPENSATOR ? Manufacturer Answer

Yes, this barrel should work with that setup.

by KillerInnovations, Manufacturer, December 9, 2024
Customer Reviews
Expert Review
Impressive Barrel by Andrew, Gear Expert, July 11, 2022
Fits perfectly in my P320c, both in the factory slide and the TRYBE optic cut slide I have for the gun. I got the gold tin version and with the black thread protector and it was the perfect finishing touch on my build. Barrel shoots great and doesn't...
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Helpful Positive Review Looks better than I thought it would by Merica1216, December 1, 2021
So I ordered the gray barrel. I have an all black dark gray toned p320. I’ve been looking for this barrel for about a year and figured I’d go for the gray and cross my fingers it’s not a light gray. Glad to say it’s a dark gunmetal gray not the almos...
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2/2 found this helpful
Helpful Negative Review Defective Barrel by Jason, Verified Owner, August 1, 2021
Placed the Sig P320C gold barrel in my Sig P320C slide, and put the gun back together. Seemed to fit ok at first. But upon racking the slide, just before the slide reaches the slide stop, the barrel hangs up on the inside of the slide and gets stuck....
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10/16 found this helpful
Most Recent Reviews Flux Match! by gonzo, Verified Owner, March 29, 2025
Paired with Killer Innovations Comp and Slide on a Raider X Flux chassis, ran flawlessly, locked back on empty every time and it just looks freaking awesome!!
Most Recent Reviews Very Accurate by Nate miller, Verified Owner, February 2, 2025
Great looking and working barrel. Very accurate. My buddy and I put well over 400 rounds threw this bad boy and didn’t have one malfunction. Great purchase
Most Recent Reviews It works... a year later. by Jack, Verified Owner, March 7, 2023
-1 star for the 6mo it took to get delivered. -1 star for having to send it back after it didn't thread onto anything, even other Killer Innovation products. +1 star for looking cool. +2 stars for their fantastic customer service! I just hope bullets...
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1/2 found this helpful
Read All 7 Reviews

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Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Killer Innovations Sig P320C 9mm Threaded Barrel

Upgrade your handgun with a Killer Innovations Sig P320C 9mm Threaded Barrel to tighten up your groupings and performance at the range. Killer Innovations crafted these Pistol Barrels with ultra-high-grade steel for unmatched durability and performance. This Killer Innovations Sig P320C 9mm Threaded Twist Barrel is also machined with an 11 target crown to help you get the most precise shots on target, and these barrels are coated with a high-quality finish for reliable use in any conditions. Upgrade your weapon with a Killer Innovations Sig P320C 9mm Threaded Barrel to gain an edge in the field, at the range, or anywhere else you need to.image

Specifications for Killer Innovations Sig P320C 9mm Threaded Barrel:

Manufacturer: Killer Innovations
Fabric/Material: 416R
Barrel Twist Rate: 1-10
Caliber: 9mm Luger
Gun Make: SIG Sauer
Gun Model: SIG Sauer P320 Compact
Weight: 3.9 oz
Condition: New
Country of Origin: USA

Features of Killer Innovations Sig P320C 9mm Threaded Barrel:

  • Weight: 3.9 OZ with Thread Protector
  • Length: 4.57” O.A.L. with Thread Protector
  • Threads: ½-28
  • Each Threaded Barrel comes with our original Gen 2 Thread Protector
  • Thread Protector Finish: Black Nitride
  • Thread Protector Weight: .16 OZ
  • High-Temp Rubber O-Ring Included
  • Compatible With: Sig P320C Slides using a 3.9″ Barrel*, NOT compatible with P320 X-Series

Package Contents:

  • Killer Innovations Sig P320C 9mm Threaded Barrel
  • Thread Protector o-ring

Killer Innovations Sig P320C 9mm Threaded Barrel Orderable Models

List of Orderable Models

Killer Innovations Sig P320C Threaded Barrel, MDC Gray, SIGBT316GRY , MPN: SIGBT316GRY , UPC: 810104450652 , Code: 3P4-PTB-KILI17-SIGBT316GRY
Killer Innovations Sig P320C Threaded Barrel, DLC Black, SIGBT316DLC , MPN: SIGBT316DLC , UPC: 810104450645 , Code: 3P4-PTB-KILI17-SIGBT316DLC
Killer Innovations Sig P320C Threaded Barrel, Tin Gold, SIGBT316GLD , MPN: SIGBT316GLD , UPC: 810104450669 , Code: 3P4-PTB-KILI17-SIGBT316GLD

Killer Innovations Sig P320C 9mm Threaded Barrel Unavailable & Discontinued Models

List of Unorderable Models

USED, Killer Innovations Sig P320C Threaded Barrel, Tin Gold, SIGBT316GLD , MPN: SIGBT316GLD-EDEMO , Code: 3P4-PTB-KILI17-SIGBT316GLD-EDEMO-DF-D
DEMO, Killer Innovations Sig P320C Threaded Barrel, DLC Black, SIGBT316DLC , MPN: SIGBT316DLC-DEMO , Code: 3P4-PTB-KILI17-SIGBT316DLC-DEMO
DEMO, Killer Innovations Sig P320C Threaded Barrel, Tin Gold, SIGBT316GLD , MPN: SIGBT316GLD-DEMO , Code: 3P4-PTB-KILI17-SIGBT316GLD-DEMO
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