Silverback

APS 13 mm, 150 Newtons spring


This spring is following the “APS 13 mm standard” (for 9 mm outside diameter spring guide). It will fit any rifle compatible with this standard, including all SRS (except push mechanism) and all TAC-41. While being compres

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)

This piston head feature:
– Viton Oring with a ventilated design.

– No airbrake, short, medium & long airbrake options (for 4.60 mm internal nozzle – for TAC-41 GBB cylinder head only).

– POM piston ring

– NBR 80° Oring damper

– Stainless ste

SRS Open Piston Sear

TAC-41 Fluted Outer Barrel 330mm

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

TAC 41 Receiver

TAC-41 Picatiny/Mlok long rail for TAC-41 P


This rail section will fit the TAC-41 polymer stock. It’s mounted on the lateral MLOK slots with 4 Nylon lugs. A rubber pad pushed by a grub screw will help you to adjust the vertical alignment (canceling the

Silverback TAC-41 in FDE