The Radian Afterburner + Ramjet combo provide industry leading recoil reduction and match grade accuracy in a concealed carry package. The threadless barrel design allows for effortless install/removal for cleaning, while LEGAL FOR SALE IN ALL 50 STATES. The Afterburner compensator is machined from stainless steel and the RAMJET barrel from hardened 416R SS; both are enhanced with a Radianite coating. This combination achieves low friction, high hardness, and high corrosion resistance, making overall durability and erosion from muzzle blast a non-issue. The Intra-Lok mounting system uses the taper lock principle; a tapered locking screw interfaces with an angled V-groove on the underside of the barrel. This perfectly times the compensator as it locks down onto the upper barrel profile on the muzzle end of the barrel. Intra-Lok allows the user to simply slide the compensator over the barrel, insert and tighten the locking screw, making for a simple and repeatable installation process. This system allows the user to easily remove the barrel from the slide for cleaning. Installed onto a Sig Sauer P365 or P365X, the Afterburner + Ramjet combo increases the overall length of the slide to a P365XL, allowing compatibility with all P365XL holsters. This combination kit is for: Sig Sauer P365 & P365X (3.1 Slide) This product is NOT compatible with Sig Sauer models that feature a loaded chamber indicator (LCI). The RAMJET barrel does not feature a cut for the OEM LCI and will not seat with it in place. *Certain municipalities or counties may restrict its use and certain states may restrict usage under some circumstances. Before installation on your firearm, we recommend you review your state and local laws to determine whether your use is compliant in your jurisdiction Product Features AFTERBURNER / Hardened SS RAMJET-SR / Hardened 416R SS Match grade barrel Gas sealing chamber Loaded chamber indicator What's Included 1 - RAMJET Ported Pistol Barrel? 1 - AFTERBURNER Micro-Compensator 1 - INTRA-LOK Tapered Screw? 1 - TORX Bit Product Specifications Model: Ramjet + Afterburner Combo Caliber: 9mm Firearm Fit: Sig Sauer P365 Color: Bronze Material: Stainless Steel Length: 3.70"