SRS FAST Hop-up Unit & 60 degree Bucking

Sale price£37.00


The 2019 Updated model includes a central grove running down the top centre of the hop unit.


This allows for much more accurate hop fitting allowing the pointed grub screw (supplied) to sit neatly in the groove enabling a more accurate hop fitment in the outer barrel.

FAST hopup for Silverback SRS-A1 (Field Adjustment SeTting Hopup). 6061 aluminium CNC machining hopup unit for the Silverback SRS-A1.


This design allows you to adjust your hopup in-game without any tool, in just few seconds.


This hopup utilizes standard AEG hopup rubbers and AEG barrels.


Packaging includes:

  • CNC 6061 aluminium hopup body end (SRS425)
  • CNC 6061 aluminium hopup body (SRS426)
  • CNC 6061 aluminium hopup ring with laser markings (SRS427)
  • CNC 6061 aluminium hopbar (SRS428) - 8x2 oring - 10x1 orings (x2) - 5.8x0.75 orings (x2) - pre-installed - M3x4 (DIN 913 / ISO 4026) 10.9 screws (x3)
  • 1.5x8 stainless steel pin
  • 60 degree silicone hopup rubber and nub (SBA-HOP-01)

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