WHISPER TECH B-556X 5.56 SLNCR FULL AUTO RATED Manufacturer Model Number: WTB-556X Manufacturer: Bersa Model: Whisper Tech B-556x Caliber: 223 Rem | 5.56 NATO Type: NFA - Silencer Item Type: NFA Finish: Black Shipping Weight: 1.0 Feature: Full Auto Rated Optic Adjustable Objective: false Optic Reticle Illuminated: false