Silverback

TAC-41 cylinder head “GBB”
Optional cylinder head for the TAC-41, “GBB” version, for optional/GBB hopup unit (SBA-HOP-31). 4.60 internal diameter nozzle, Oring included, stainless steel CNC construction.



Compatible with (must be used with a “GBB”

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)

SRS Twisted Stainless Steel Cylinder

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

6061 aluminium CNC machining hopup unit (SRS407) for the Silverback SRS-A1. This hopup accepts AEG hopup rubbers (SRS408 60 degree silicone hopup rubber is included). Is also included : five M3x4 *e screws, 19x2 oring, 8x2 oring, and pre-installed 5.8x0.7

Fiber reinforced nylon hollow buttplate spacer (SRS214) for the Silverback SRS-A1, allowing you to use a pull bolt. Desert Tech licenced product.

Silverback SRS-A2 Spare Nylon Stock (OD Green) Left Handed

TAC 41 Cylinder Head

The Silverback SRS-A2/M2 is a fully licenced replica of the Desert Tech Scout Recon Stealth A2 bullpup sniper rifle.

Fully CNC AL 6061 T6 bolt knob for SRS bolt head (all generations) with hard black anodize finish. M8x1.25 thread.