The Trek is a short and rugged threadmount suppressor: a 5.56mm unit suitable for full auto and usage on modern, shorter barrel (10.3" or greater) carbines. The Trek is made of rugged stainless steels and inconel, with welded construction. Caliber: 5.56mm Nato/.223 Remington Sound Reduction: 29dB Length: 5.7" Diameter: 1.5" Weight: 17.3 oz Matierals: Stainless Steel & Inconel Finish: Matte Black Cerakote with Reduced Visual-IR Signature Mount: 1/2-28 (2A) Thread Mount For Barrels: 10.3" or Longer

Item is available if in stock at - https://www.oaklandtactical.com/gemtech-trek-suppressor-556mm-upc-REDACTED09-mfg.html