OLCAN Bullpup First Shots: Is PSA's New 300BLK a Game Changer?

Published on December 23, 2025
Duration: 18:34

This guide details the process of tuning the adjustable gas block on the PSA OLCAN Bullpup for optimal performance with a suppressor. The video highlights a specific adjustment of four clicks counter-clockwise, which significantly reduced recoil and gas blowback, demonstrating the importance of gas system tuning for suppressed shooting. The OLCAN's compatibility with standard AR-15 magazines and its Jakl upper system are also noted.

Quick Summary

The PSA OLCAN Bullpup, chambered in 300BLK, is built around the PSA Jakl upper receiver system and utilizes standard AR-15 magazines. For suppressed fire, the gas system can be tuned by adjusting the gas block counter-clockwise; a four-click adjustment significantly reduced recoil and gas blowback in testing. Ergonomic considerations include potential snagging points on the stock, which can be addressed with accessories.

Chapters

  1. 00:00Introduction and First Shots
  2. 00:33The Team and the Name
  3. 01:09Ergonomic Challenges
  4. 03:59Gas System Tuning
  5. 09:29Jakl Modularity and Design
  6. 11:41Left-Handed Compatibility and Internals

Frequently Asked Questions

What caliber is the PSA OLCAN Bullpup chambered in?

The PSA OLCAN Bullpup featured in the video is chambered in 300BLK, a popular caliber for suppressed shooting due to its performance characteristics and subsonic capabilities.

How is the PSA OLCAN Bullpup's gas system tuned for suppressed fire?

According to the video, the gas system on the PSA OLCAN Bullpup is tuned by adjusting the gas block. The team made a specific adjustment of four clicks counter-clockwise to optimize it for suppressed fire, which effectively reduced recoil and gas blowback.

What is the PSA OLCAN Bullpup built around?

The PSA OLCAN Bullpup is built around the PSA Jakl upper receiver system. This modular design allows for compatibility with most Jakl uppers, though certain short versions may have hand placement restrictions.

What are some ergonomic considerations for the PSA OLCAN Bullpup?

During initial shooting, it was noted that beard hair could get caught in the stock seam. Potential solutions discussed include using hockey tape or adding a cheek riser to improve comfort and prevent snagging.

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