Hephaestus Krytac Kriss Vector GBBR SMG High Performance Piston Head

Enhanced Piston Head for better air-sealing and smooth cycling.
CNC Aluminum 6061 construction, lightweight and durable.
Improve overall performance and gas efficiency.
Offer stable and consistent performance with reduced cooldown effect.
Drop-in upgrade to replace stock Piston Head of Krytac KRISS Vector GBB SMG. Spare o-ring included.

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Hephaestus