PTR VENT Spiritus 5.56 Inconel Suppressor – FDE

The PTR VENT Spiritus 5.56i is a suppressor constructed from 3D-printed Inconel and built around VENT's Purposely Induced Porosity technology. Chambered primarily for 5.56×45, it also supports 5.7×28 and 4.6×30. The suppressor measures 6 inches in length with a 1.625-inch diameter and weighs 15.2 ounces without the adapter. The finish is FDE.

Key Features

• Construction: 3D-printed Inconel
• Technology: VENT Purposely Induced Porosity
• Primary caliber: 5.56×45; also compatible with 5.7×28 and 4.6×30
• Length: 6 inches
• Diameter: 1.625 inches
• Weight: 15.2 oz (without adapter)
• Finish: FDE
• Includes: 1/2×28 direct-thread adapter to 1.375×24 HUB interface
• Minimum barrel length: 10.5 inches for 5.56×45; no barrel restriction listed for 5.7×28 or 4.6×30
• Rated for limited full-auto use: 120–180 rounds in controlled bursts, followed by a 10-minute cool-down

The suppressor ships with a 1/2×28 direct-thread adapter that transitions to a 1.375×24 HUB interface. Full-auto use is supported within the rated parameters of 120 to 180 rounds in controlled bursts with a subsequent 10-minute cool-down period.

This is an NFA-regulated item. ICB Firearms is a family-owned retailer based in Saint Clair Shores, Michigan. Contact our team directly with questions about this suppressor or the transfer process.