Liner Supports Dreamline

Reference according to caliber:

Barrel Pipe bushing 7mm yd 17,6 - FX 20191 Caliber 4.5

Barrel Pipe bushing 8mm yd 17,6 - FX 20192 Caliber 5.5

Barrel Pipe bushing 9mm yd 17,6 - FX 20193 Caliber 6.35

The o-ring is included.