The RXD910Ti harnesses the technology of the acclaimed and patented Triskelion baffle system, making it an incredibly quiet 9mm optimized silencer that also reduces the noise associated with shooting 10mm pistol cartridges. Dead Air uses the power of additive manufacturing to deliver a unique silencer that yields exceptional sound reduction for both 9mm and 10mm-sized projectiles with reduced backpressure and recoil. Suppressor: 6Al-4V Titanium, Piston: Nitride 17-4 PH stainless steel, Front Cap: 7075 Aluminum. FDE high temp Cerakote, Nitride piston & spring retainer, FDE hard coat level III anodized front cap. Caliber Rating: 5.7x28mm, 9x19mm, .38 Special, .357 Magnum, 10mm AUTO, .300 Blackout, 400 Legend. *Some platform/ammunition combinations may present performance issues which could impact accuracy or damage your suppressor. See instructions for more detail. Includes: RXD910Ti Suppressor, PB440 1/2"-28 Piston, Installation Tool, Quick-Start Guide. *CALIBER COMPATIBLE RUGER FIREARMS INCLUDE: Ruger-5.7, LC Carbine, Ruger American Gen II