The AnechoX 22 makes your 22 whisper-quiet. With subsonic ammo your bolt action 22 rifle will sound as close to Hollywood quiet as you can get. Try your AnechoX 22 with CCI Quiet-22 ammo @ 710 FPS in your bolt action rifle. At 2.6 ounces and 6.0 X 1.1 in diameter. The AnechoX 22 is the pinnacle of performance for weight sound accuracy and serviceability on the rimfire gun. All AnechoX suppressors utilize the unique X-Baffle Anechoic Chamber System with an interrupted central tube. The AnechoX 22 is finished in your choice of three colors of Cerakote Elite Series thin film ceramic. It has a fixed 1/2X28 thread making it compatible with almost every threaded rimfire on the market. Its full-auto rated to 200 rounds 22 LR and rapid-fire rated to 50 rounds 22 Mag.