PSA Rock in 5.7x28 using a 5.56 silencer without a booster.
This guide details the process of testing a 5.56mm suppressor (Griffin Armament Optimus Micro) on a Palmetto State Armory (PSA) Rock pistol chambered in 5.7x28mm, specifically without using a booster. The demonstration focuses on verifying cycling reliability with this non-standard setup, highlighting the importance of suppressor pressure ratings and the potential for successful operation in certain configurations. The video emphasizes an experimental approach to firearm and accessory compatibility.










