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6x Open Steel Bearings Bushings 8mm (B8CA+)
Installation should be performed by users with pistol-maintenance experience — improper installation may affect performance or cause feeding issues
this piston head is further enhanced by a pressure deviation geometry that improves compression balance
Designed to seal the stock tube opening on M4 lower receivers
2 Shell – QSC
RetroArms CNC Gears PandoRA SR25 19T 20:1 Realistic Trigger 6x Open Steel Bearings BushingsThe RetroArms CNC Gears PandoRA SR25 19T 20: 1 (3mm) is a high performance gear set specifically designed for SR25 long type AEG gearboxes. Built for durability and precision, this gear set features a 20: 1 ratio combined with a 19 tooth sector gear (T19), optimized for long stroke systems and high power DMR builds. Manufactured from high strength CNC machined steel, the PandoRA gear series ensures smooth operation, consistent timing, and excellent