
PTR Industries · Hard-use rifle
VENT Spiritus 5.56i
3D-printed PIP architecture with radial gas ventingA compact Inconel member of the VENT family that combines PTR's Purposely Induced Porosity geometry, HUB compatibility, and reduced-back-pressure gas management.
- Caliber
- 5.56 NATO · 5.7×28 · 4.6×30
- Material
- Inconel · DLC finish
- Weight
- 15.2 oz without adapter
- Length
- 6 in without adapter
- Release
- Current release · checked Aug. 19, 2026
- SKU / config.
- VS-5560101 · UPC 810161700394




