Ep 10 | The Right 9mm PCC Buffer and Spring Combo for Your Build | Ultimate AR9 Guide
This video provides expert guidance on selecting and tuning the buffer and spring combination for an AR-9 PCC. It explains the functions of these components in absorbing bolt force and chambering rounds, emphasizing how weight impacts recoil and reliability. The guide offers a formula for combined bolt and buffer weight (22-24 oz minimum) and recommends standard carbine springs, while also detailing how to diagnose issues through range testing and ejection patterns.











