Silverback SRS Variable Mass Piston — Adjustable Muzzle Energy Upgrade for the SRS Platform The Silverback SRS Variable Mass Piston is a precision upgrade for the SRS platform, built for shooters who want exact control over muzzle energy. By adjusting piston mass across 15 configurations, you can tailor performance to your ammo and field conditions. Piston Mass Range: 40–137 g with 15 configurations to dial in power and efficiency Premium Materials: CNC machined AL 6061 T6 piston head and body, plus CNC steel piston end for rigidity and durability NBR Piston Cup: 70° design for a reliable seal and stable gas pressure Flyweights Included: Four aluminum and four steel weights to create precise mass combinations Lubrication: PTFE grease to reduce wear and ensure smooth cycling Compatibility: Specifically designed for Silverback SRS systems with pull-bolt installation Installation Tools: Pull bolt tools included for quick, secure setup By offering 15 discrete mass configurations, you can dial in muzzle energy to optimize velocity and consistency across your preferred ammo. This means tighter groups, more predictable performance at different distances, and the ability to switch setups quickly for varied field conditions. The robust CNC construction and high-grade components deliver durability under repeated tuning, while the included PTFE grease minimizes wear and keeps cycling smooth over time. If you’re adapting to different missions or ranges, this modular piston makes energy management straightforward and repeatable, so you can focus on accuracy and shot placement.
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