The Rugged Suppressors OP004 Suppressor Piston is constructed from heat-treated 17-4 stainless steel, ensuring exceptional durability. It features a non-slotted configuration that creates a full circumference gas seal, effectively reducing gas blowback for improved shooting comfort.Key FeaturesThread Pattern: Features a M13.5x1 LH thread pattern for compatibility with specific suppressor mounts.Material: Made from heat-treated 17-4 stainless steel for enhanced strength and longevity.Design: Non-slotted design aids in achieving a full gas seal, minimizing blowback.