SRS FAST hopup unit + hopup rubber
FAST hopup for Silverback SRS-A1 (Field Adjustment SeTting Hopup)
6061 aluminum CNC machining hopup unit for Silverback SRS-A1 Series Bolt Action Sniper Rifles
This new design allows you to adjust your hopup in-game without any tool
Hopup utilizes standard AEG hopup rubbers and AEG barrels
Includes:
1x CNC 6061 aluminum hopup body end
1x CNC 6061...
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