Silverback

TAC-41 Fluted Outer Barrel 420mm

“GBB” type, flat hopup rubber, 70°


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, yellow color, 70° hardness.

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”

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

– No airbrake, short, medium & long airbrake options (for 4.00 mm internal nozzle – for original SRS & TAC-41 cylinder head

– POM piston ring

– NBR 80° Oring damper

– Stainless

Carbon Barrel Extension, XL Size

SRS Variable Mass Piston | Pull Bolt

SRS Flat Hop Up rubber 70° + Nub

Fibred Nylon SRS buttplate base and synthetic rubber recoil damper.

MDRX Cheek Piece - Black

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

APS 13 mm, 90 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 compress