The Radian AFTERBURNER(TM) + RAMJET(TM) combo pairs a match-grade RAMJET(TM) hardened 416R stainless steel barrel with the low-profile AFTERBURNER(TM) hardened stainless compensator to deliver exceptional recoil reduction, faster follow-up shots, and excellent accuracy in a concealed-carry-ready package. The threadless, INTRA-LOK(R) taper-lock mounting system makes installation and removal effortless - slide the comp on, tighten the locking screw, and you've got a repeatable, perfectly timed lock-up for reliable performance and easy field-stripping for cleaning.Both components are finished in Radianite Black (bronze appearance option) for improved hardness, low friction, and corrosion resistance - minimizing erosion from muzzle blast for long-term durability. Angled front faces on the AFTERBURNER(TM) also aid holstering, making this combo ideal for compact concealed-carry pistols.Features: Caliber: 9mm Luger Barrel: RAMJET(TM) hardened 416R stainless steel - match grade Compensator: AFTERBURNER(TM) hardened stainless steel, angled front faces Mounting: INTRA-LOK(R) taper-lock system (no threads) Gas Sealing Chamber for consistent performance Loaded Chamber Indicator included on barrel Model / Slide Fit: 3.1" slide - fits Sig Sauer P365Shop the Radian AFTERBURNER(TM) + RAMJET(TM) combo at AR-15 Discounts for competitive pricing, secure checkout, and fast shipping. We carry high-quality pistol upgrade parts.