Polarstar Complete O-ring and Screw Kit for Jack MP7

Complete o-ring set for the JACK MP7. Plug screw included.

1x M1.5 x 6.5 (Buna 70) - Front Outside of Nozzle
2x M1.5 x 9.5 (Buna 70) - Rear Outside of Nozzle
1x M1.0 x 17.5 (Buna 70) - Thread Relief of Front Cylinder
1x M1.5 x 18.5 (Buna 70) - Captured Between Front Cylinder and Donut
3x M1.0 x 5.0 (Buna 70) - Two on Nozzle Stem & One Inside of Nozzle
1x M1.0 x 2.5 (Buna 70) - Plug screw on bottom
1x M1.0 x 4.5 (Buna 70) - Barb Fitting

About PolarStar:

PolarStar Precision Airsoft, founded in January 2009, is renowned for high-quality, precision-manufactured gelsoft components. The 2011 release of the patented Fusion Engine HPA system marked a significant innovation, shifting from upgrading existing systems to developing new HPA systems and accessories. PolarStar Airsoft is a division of PolarStar Engineering & Machine (PSE&M), blending skilled American toolmakers with advanced CAE/CAD/CAM technologies. Established in 1997, PSE&M initially served the automotive racing industry and continues to uphold a proud heritage of "Made in the USA" manufacturing. Operating under the Delaware Association of Professional Engineers, PolarStar ensures and certifies all design and engineering standards.