300 Blackout Budget Build | PSA vs Zev vs MCX
This guide details troubleshooting and tuning steps for budget .300 Blackout AR-15 builds, drawing on the expertise of Dirty Civilian hosts. It covers addressing common issues like gas block misalignment and buffer system tuning required for reliable subsonic cycling. The advice is geared towards advanced users who understand the complexities of AR-15 platforms and are willing to perform modifications for optimal performance.













