SRS hopup unit + hopup rubber
6061 aluminum CNC machining hopup unit for Silverback SRS-A1 Series Bolt Action Sniper Rifles
Hopup accepts AEG hopup rubbers
Included:
1x SRS408 60 degree silicone hopup rubber
5x M3x4 *e screws
1x 19×2 oring
1x 8×2 oring
1x pre-installed 5.8×0.75 orings