The hole for the wires in the buffer tube could be slightly larger - the DEANS plug has problems passing through:
Access to the spring guide for removing the stock:
Rounding of critical corners of the cylinder port:
Complete cylinder set:
Cylinder head:
Piston head:
Piston with a second tooth removed:
Standard sintered gears, on the sector gear there is a delayer:
Optical Falcon sensors that track the movement of the trigger (red arrows) and sector gear (yellow arrow):