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Questions & Answers
Does this fit the x carry legion Manufacturer Answer

No, the X-Compact barrel is only compatible with X-Compact models. X-Carry models will require the P320C barrel.

by Killer Innovations, Manufacturer, August 13, 2025
will this barrel work with the p320x compact with the lci indicater

Yes, our Sig P320 XCompact barrels will work with the LCI Indicator. These barrels are intended for the Sig P320 XCompact with the 3.6" barrel. Thanks!

by KillerInnovations, Verified Owner, February 19, 2025
Customer Reviews
Most Recent Reviews Nicely made by Danny Elliott, Verified Owner, October 12, 2024
Really nice product and great upgrade for my P320. Paired it with a Harrington Arms compensator and a Brouwer Solutions grip module.
Most Recent Reviews hands down the best by badman, Verified Owner, April 16, 2024
Using the x compact threaded currently. The quality is top notch. I have the gold and the finishing job is phenomenal. No issues whatsoever. I highly recommend this this product and will get more. Thank you.
Most Recent Reviews Great for the xcompact by Tony Beltran, Verified Owner, November 26, 2023
I love the barrel it looks very nice and performs very well with a comp. These are highly recommended, especially if you’re about your aesthetics. Killer innovations is always killing it!
Read All 3 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 Velocity For Sig P320 X-Compact Threaded Pistol Barrel

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.image

Specifications for Killer Innovations Velocity For Sig P320 X-Compact Threaded Pistol Barrel:

Manufacturer: Killer Innovations
Fabric/Material: 416R
Barrel Length: 3.6 in
Threads per Inch: 1/2x28
Barrel Twist Rate: 1-10
Flutes: No
Caliber: 9mm Luger
Barrel Material: 416R Stainless Steel
Gun Make: SIG Sauer
Gun Model: SIG Sauer P320 X-Compact
Weight: 3.7 oz
Condition: New
Gun Frame Size: Compact
Country of Origin: USA

Features of Killer Innovations Velocity For Sig P320 X-Compact Threaded Pistol Barrel

  • Weight: 3.71 OZ with Thread Protector
  • Length: 4.25” Overall Length ( End to End )
  • Length: 3.817” Gas Hood to Thread Shoulder (3.6″ compact)
  • 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 P320 X Compact (The 3.6″ Slide)

Package Contents:

  • Killer Innovations Velocity For Sig P320 X-Compact Threaded Pistol Barrel
  • Thread Protector
  • High Temp Rubber O Ring

Killer Innovations Velocity For Sig P320 X-Compact Threaded Pistol Barrel Orderable Models

List of Orderable Models

Killer Innovations Velocity For Sig P320 X-Compact Pistol Barrels, TiN, Gold, SIGBT403GLD , MPN: SIGBT403GLD , UPC: 810104450683 , Code: 3P4-PTB-PXSIGB-SIGBT403GLD
Killer Innovations Velocity For Sig P320 X-Compact Pistol Barrels, DLC, Black, SIGBT403DLC , MPN: SIGBT403DLC , UPC: 810104450676 , Code: 3P4-PTB-PXSIGB-SIGBT403DLC
Killer Innovations Velocity For Sig P320 X-Compact Pistol Barrels, MDC, Gray, SIGBT403GRY , MPN: SIGBT403GRY , UPC: 810104450690 , Code: 3P4-PTB-PXSIGB-SIGBT403GRY

Killer Innovations Velocity For Sig P320 X-Compact Threaded Pistol Barrel Unavailable & Discontinued Models

List of Unorderable Models

USED Killer Innovations Velocity For Sig P320 X-Compact Pistol Barrels, TiN, Gold, SIGBT403GLD, EDEMO1, Condition Parts Only/Salvage, Wrong Product , MPN: SIGBT403GLD-EDEMO1 , Code: 3P4-PTB-PXSIGB-SIGBT403GLD-EDEMO-WP-F
USED Killer Innovations Velocity For Sig P320 X-Compact Pistol Barrels, TiN, Gold, SIGBT403GLD, EDEMO2, Used, Condition Fair , MPN: SIGBT403GLD-EDEMO2 , Code: 3P4-PTB-PXSIGB-SIGBT403GLD-EDEMO2
USED Killer Innovations Velocity For Sig P320 X-Compact Pistol Barrels, MDC, Gray, SIGBT403GRY, EDEMO1, Used, Condition Like New, Inspect and Rebox , MPN: SIGBT403GRY-EDEMO1 , Code: 3P4-PTB-PXSIGB-SIGBT403GRY-EDEMO-RE-A
USED, Killer Innovations Velocity For Sig P320 X-Compact Pistol Barrels, TiN, Gold, SIGBT403GLD , MPN: SIGBT403GLD-EDEMO , Code: 3P4-PTB-PXSIGB-SIGBT403GLD-EDEMO-RE-B
DEMO, Killer Innovations Velocity For Sig P320 X-Compact Pistol Barrels, TiN, Gold, SIGBT403GLD , MPN: SIGBT403GLD-DEMO , Code: 3P4-PTB-PXSIGB-SIGBT403GLD-DEMO
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