OBSIDIAN45 45ACP SILENCER FDE Manufacturer Model Number: OBSFDE45 Manufacturer: Rugged Suppressors Model: Obsidian45 Caliber: 45 ACP Type: NFA - Silencer Item Type: NFA Finish: Flat Dark Earth Anodized Overall Length: 6.7" to 8.6" Weight: 10.7 to 12.8 oz. Shipping Weight: 1.0 Feature: .578x28 Piston Feature: Includes 45ACP Front Cap Feature: Includes ADAPT Module Optic Adjustable Objective: false Optic Reticle Illuminated: false