How many o-rings are included for the rear outside of the nozzle and what are their specifications?
PolarStar Airsoft Complete JACK MP7 O-Ring and Screw Kit
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Open Feb 05, 2026 - 08:53 AM
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Feb 05, 2026 - 08:53 AM
There are 2 o-rings included for the rear outside of the nozzle in this polarstar jack mp7 kit, each sized M1.5 x 9.5 (Buna 70). This ensures you have replacements for both positions, and the Buna 70 material provides resistance to wear and good sealing properties, which is essential for maintaining performance.
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PolarStar Airsoft Complete JACK MP7 O-Ring and Screw Kit
Complete o-ring set for the MP7 version of the JACK. Plug screw included. 1x M1.5 x 6.5 (Buna 70) - Front Outside of Nozzle2x M1.5 x 9.5 (Buna 70) - Rear Outside of Nozzle1x M1.5 x 19.5 (Buna 70) - Thread Relief of Front Cylinder1x M1.0 x 18.5 (Buna 70) - Captured Between Front Cylinder and Donut3x ...
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