Silverback

“GBB” type, flat hopup rubber, 4 hardness set (50°/60°/70°/80°)


Initially designed for the TAC-41 “GBB” hopup, this hopup rubber can fit inside most of airsoft guns using “GBB” hopup rubber.

Transparent silicone for easier installation, this kit

CNC Steel version of the variable mass piston body, for extreme mass configuration (55.1 grams instead of 19.0 grams for the aluminium version).


Compatible with:



– original SRS piston (SBA-BPS-13)

– original TAC-41 piston (SBA-BPS-30)

Carbon Barrel Extension, L Size

TAC 41 Stainless Steel PVD Cylinder

SRS Twisted Stainless Steel Cylinder

TAC-41 420mm Twisted Outer Barrel

SRS Hop Up rubber, Pack of 4 (60°) +4 nubs
Ref: SBA-HOP-27

SRS-A2 short Handguard, Mlok
CNC aviation grade aluminium
122 Grams

SRS .338 muzzle brake, Model A2 (DTSS silencer compatible)

SRS / HTI Handguard Long Rail

SRS 25 inches twisted fluted barrel (for up to 650mm inner)
Ref: SBA-OBL-21

Fiber reinforced nylon buttplate spacer (SRS203) for the Silverback SRS-A1, allowing you to add 12 mm lenght of the stock. Desert Tech licenced product.