The PTR Vent Spiritus 5.56i is a compact, 3D-printed Inconel suppressor designed for compatibility with .223 Rem/5.56 NATO rifle platforms. Finished in a black physical vapor deposition (PVD) coating, the unit emphasizes heat resistance and platform versatility. It ships with a direct-thread adapter for 1/2×28 to 1-3/8×24 (HUB) integration and is specified for limited full-auto firing per manufacturer guidance. This suppressor is intended for responsible, regulation-compliant use on appropriately configured firearms.
Key Specifications
- Caliber compatibility is specified as .223 REM/5.56 NATO.
- The construction material is listed as 3D-printed Inconel.
- The model name is Vent Spiritus.
- The finish is a black physical vapor deposition (PVD) coating.
- The overall length is 6.01 inches (without adapter).
- The exterior diameter is 1.625 inches.
- It includes a 1/2×28 direct thread adapter to 1-3/8×24 (HUB).
- The minimum safe barrel length for 5.56×45 is 10.3 inches.
- Performance limits are listed as limited full-auto (90–120 rounds in bursts) with a 10-minute cool-down to ambient temperature.
- Product type is specified as a rifle suppressor.
Engineered for demanding use, the Vent Spiritus balances durable materials and compact dimensions to provide reliable service on compatible 5.56-caliber platforms. Its 3D-printed Inconel construction and heat-resistant PVD finish aim to reduce thermal wear while the included adapter increases mounting flexibility. For users seeking a rugged, professionally specified suppressor, this unit offers a focused set of features that support sustained use under manufacturer-recommended limits.
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