We Finally Get to the Range with the PTR 91!

Published on January 6, 2026
Duration: 14:50

This video details a range day featuring the PTR 91 battle rifle in .308 caliber. The presenter demonstrates the rifle's operation, including the characteristic 'HK slap,' and conducts unsuppressed firing. Subsequent testing involves mounting a Vent 1 titanium suppressor, where a gas leakage issue at the muzzle device interface is identified and discussed as a potential problem causing blowback.

Quick Summary

The PTR 91, a .308 Win battle rifle with a roller-delayed blowback system, was tested unsuppressed and then with a Vent 1 titanium suppressor. During suppressed testing, a gas leakage issue was identified at the muzzle device interface, causing concussion to blow back towards the shooter.

Chapters

  1. 00:00Introduction and Gear Overview
  2. 00:59Vent 1 Suppressor Testing
  3. 03:04Sig Rattler LT and SLH Suppressor
  4. 05:51Stoeger STR-9 Combat SX
  5. 07:36PTR 91 Battle Rifle Range Test
  6. 11:32Suppressed PTR 91 and Troubleshooting

Frequently Asked Questions

What are the key features of the PTR 91 tested in the video?

The PTR 91 is a battle rifle chambered in .308 Win (7.62x51mm) featuring a roller-delayed blowback action and classic green polymer furniture. It was equipped with a Vortex 1-6x LPVO for the range test.

What suppressor was tested on the PTR 91, and what issues arose?

The Vent 1 titanium 7.62 suppressor was tested on the PTR 91. A significant issue identified was gas leakage at the muzzle device interface, causing concussion to blow back towards the shooter.

What is the 'HK slap' mentioned in relation to the PTR 91?

The 'HK slap' is a manual of arms technique often associated with HK roller-delayed blowback firearms, including the PTR 91. It involves forcefully pushing the charging handle forward to ensure proper bolt closure.

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