Whisper - Piston Head Part:O-ring only - 1x Spiral Pinion Gear

- 1x Spiral Pinion Gear

To aid AOE correction - not like it's required with this piston anyways

significantly higher tensile/compression strength and lower compression set compared to Viton/FKM

CNC 7075 T6 Aluminum Threads

Delrin CNC machined

Whisper - Piston Head Part:O-ring only - 1x Spiral Pinion GearCopyright Airsoft Mutation Inc. All rights reserved. Threadlock (Blue) is still required Toss it in any build you want and expect it to last longer than anything in the gearbox besides the Jaeger. The Whisper is the highest performance polymer piston head on the market. Delrin CNC machined Very low coefficient of friction and extremely high impact resistance Elongated shaft to allow more AoE spacers Grade 12. 9 zinc plated screw Superior corrosion