The Griffin Armament EZ-LOK QD Piston is comprised of two parts, the piston, and the barrel adapter. The piston is the bronze color part that is installed in the suppressor. This product was intended to provide a simple solution with zero training or familiarity requirement for customers. The Griffin Armament EZ-LOK interface affords the user the ability to convert the suppressor to a faster and more secure mounting solution on browning style action (tilt barrel) pistols vs it's legacy technology, single piece, direct thread piston counterparts. This system provides a rapid, secure attachment to the host pistol. Direct thread single piece pistons have several negative attributes. They do not accept tools, and are hand tightened to the host firearm. As a result of hand installation, they loosen when the piston system reciprocates under slide cycling during the firing sequence. This vibration and inadvertent loosening of pistol silencers, requires end users to constantly check tighte...