Rugged Suppressors Piston .578×28, 17-4 SS

The Rugged Suppressors piston with a .578×28 thread is machined from 17-4 stainless steel and heat treated for durability. Its non-slotted design creates a full circumference gas seal that reduces gas blowback and improves the user experience. Finished in copper, the piston is specified to fit the Obsidian 45 and is built for repeated service life. When installed on a fixed-barrel platform, the spring must be replaced with a fixed barrel spacer as indicated by the manufacturer.

Key Specifications

• The material is 17-4 Stainless Steel.
• The thread pattern is .578×28.
• The finish is Copper.
• Designed fit is Obsidian 45.
• The design uses a Non-slotted full circumference gas seal.
• The listed dimensions are 1.45 x 1.60 x 2.60.
• The listed hand is Right Hand.
• The listed weight is 0.1.
• Can be disassembled: False.
• Country of origin is US.

Durable materials and a full-seal piston design make this Rugged Suppressors piston a practical upgrade for compatible suppressor systems and hosts. Its machined 17-4 stainless construction and heat treatment provide longevity while the copper finish aids serviceability and corrosion resistance. Suitable for shooters who prioritize reliable, well-engineered components, this piston delivers straightforward functionality for use with the Obsidian 45 platform.