Nerf Rival Pilot Flypoint Replacement Frontend

This is a drop in replacement for the Nerf Rival Pilot to allow it to utilize flypoint shells, it has spots for O-rings (which are not strictly necessary, but will greatly increase performance and make it more consistent).The long tube section of the design goes inside the stock barrel of the Pilot, but the rubber hop-up part will need to be removed. The mod will work with the air restrictor still intact, I have not tested it with the AR removed.

The two O-rings used are:

Outer O-ring: 16x1.5mm
Inner O-ring: 19x2.4mm
(I used some that I got in this kit: https://www.amazon.com/dp/B07QFVCNSN?psc=1&ref=ppx_yo2ov_dt_b_product_details

The outer O-ring goes in the exposed groove towards the end of the long tube section and will seal the print to the inner diameter of the stock Pilot barrel. The inner O-ring is pressed into the section where the shells will be inserted, I used a flypoint shell to actually press the O-ring in. These O-rings aren't explicitly required, but will impro