Includes 2 seals that have been coated with silicone grease. The BB is maintained along the central axis of the bore by the extended length seal until entering the barrel.
Offers greater barrel breech protection compared to OEM seal by eliminating the freebore distance, inside the barrel bushing, that the BB would normally travel before entering the barrel. Designed to withstand extreme pressures of 1600+ PSI and remain flexible at subzero temps encountered during sustained high rates of fire or when using CO2. Significantly reduces shot-to-shot muzzle velocity extreme spreads resulting in more consistent shot velocities and improved accuracy, compared to OEM seal. Creates a tighter seal between the barrel bushing and valve body, reducing air leakage and increasing muzzle velocity, compared to OEM seal. High performance breech seals (Qty 2) for Baikal MP-661K Drozd (Blackbird or Bumblebee).
Item: 122873051729 High Performance Drozd Blackbird/Bumblebee Barrel Breech Seals (Quantity of 2).
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