How to Zero "ComBlock" DMR / Sniper rifle with PSO1 Scope! How to use PSO 1 scope!

Published on January 19, 2020
Duration: 20:00

This guide details how to zero a ComBlock Designated Marksman Rifle (DMR) like the SVD with a PSO-1 4x24 scope, as demonstrated by Rob Ski. It covers using iron sights for initial alignment, understanding turret click values (5cm at 100m), slipping the turret scale, and utilizing the reticle's rangefinding and BDC features. The video emphasizes practical field-zeroing techniques for metric-based Soviet-era optics.

Quick Summary

Zeroing a PSO-1 scope on a ComBlock rifle like the SVD involves using its metric turrets (5cm per click at 100m) for precise adjustments. A practical method uses iron sights for initial alignment, followed by fine-tuning based on shot groups. Proper mounting and understanding the reticle's rangefinding features are also key.

Chapters

  1. 00:00Introduction to PSO-1 Scope
  2. 01:29Turret Mechanics Explained
  3. 03:25'Cheat' Zeroing Procedure with Iron Sights
  4. 05:34Fine-Tuning and Click Values
  5. 06:54Slipping the Turret Scale for Zero Reset
  6. 09:59Reticle Features and Rangefinding
  7. 12:42BDC and Long Range Holdovers
  8. 16:12Illumination and Accessories
  9. 18:36Mounting and Tension Adjustment

Frequently Asked Questions

How do you zero a PSO-1 scope on a ComBlock rifle like the SVD?

Zeroing involves using the metric turrets (5cm per click at 100m) to adjust the reticle to the point of impact. A common technique uses the rifle's iron sights for initial alignment, followed by fine adjustments based on shot groups. Ensure the scope mount is secure.

What are the key features of the PSO-1 scope reticle?

The PSO-1 reticle includes a main aiming chevron, a stadiametric rangefinder calibrated for human-sized targets, and additional chevrons for bullet drop compensation (BDC) at extended ranges like 500 and 700 yards. It also has illumination powered by AA batteries.

How do you adjust the turrets on a PSO-1 scope?

The PSO-1 has distinct elevation and windage turrets. Each click adjusts the point of impact by 5cm at 100 meters. To reset the zero marker without moving the reticle, loosen the two top screws, rotate the scale, and retighten.

What is the proper mounting procedure for a PSO-1 scope?

Proper mounting on the rifle's side rail is crucial. Ensure the scope is seated correctly and tighten the tensioning nut on the mount firmly. Any play or movement in the mount will cause the zero to shift.

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