Spacers

Silverback SRS Sport outer barrel spacer , NBR (3 pces)
Synthetic rubber barrel spacers, 3 pieces.

Compatible with:

SRS Sport barrels
SRS G-Spec barrels
Carbon barrel 455 mm: SBA-OBL-06
Carbon barrel 590 mm: SBA-OBL-07
Carbon barrel 650 mm: SBA

28 mm Barrel Spacers

5x SRS Spring Guide Pre-load Washers

SRS Nylon Spring Guide thrust bearing
For SRS A2 Sport Version (for nylon spring guide only)