Products tagged with silverback internals

TAC-41 Hopup unit, “GBB” type
TAC-41 optional hopup unit, for “GBB” inner barrel & “GBB” hopup rubber. Parts included:



– T41-0226 hopup body “GBB” (aviation grade CNC construction)
– T41-0227 hopup rubber socket (aviation grade CNC construction)

– T Read more

This kit include:
– T41-0240, Fine tuning wheel (aviation grade CNC construction with laser marking)

– T41-0241, reinforced feeder (stainless steel CNC construction)

– T41-0242, low nub (stainless steel CNC construction)

– T41-0243, high nub (stainles Read more

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” hopup Read more

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 f Read more

“GBB” type, flat hopup rubber, 60°
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, Light blue color, 60° hardness. Read more

TAC-41A HandguardThis handguard is attached directly to the aluminum chassis of the TAC-41 A

Full length Picatinny rail on top
8 and 1/2 MLOK slots on each side
4 and 1/2 MLOK slots on each 45° lower side
4 and 1/2 MLOK slots on the under side
6000 serie Read more

TAC-41 spring guide stopper tool
This tool has been designed for player who disassembly often the bolt of their TAC-41, typically for storage in a rigid case, but also for technician who enjoy good tools. Stainless steel CNC construction, including a bla Read more

“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. Read more

“GBB” type, flat hopup rubber, 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, red color, 80° hardness. Read more

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 steel CNC Read more

“GBB” cut inner barrel, passivated brass, 6.05 mm bore, 507 mm long,Ideal for:
– “510 mm” TAC-41 outer barrel used with “GBB” hopup unit. Read more

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 compresse Read more

TAC-41 Picatiny/Mlok short rail for TAC-41 PThis rail section will fit the TAC-41 polymer stock. It’s mounted on the lateral MLOK slots with 2 Nylon lugs. A rubber pad pushed by a grub screw will help you to adjust the vertical alignment (canceling the fr Read more

“GBB” cut inner barrel, passivated brass, 6.05 mm bore, 327 mm long,Ideal for:
– “330 mm” TAC-41 outer barrel used with “GBB” hopup unit. Read more

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)

– variable ma Read more

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 steel CNC cons Read more

APS 13 mm, 120 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 compresse Read more

TAC-41, hopup replacement parts set (“GBB” Type version)
Replacement parts for the TAC-41 optional “GBB” Type hopup unit.



Parts included:



– T41-0228 barrel clip (SS304 laser cut)

– T41-0202 hopup wheel

– T41-0203 concave nub

– T41-0224 feeder Read more

“GBB” type, flat hopup rubber, 50°
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, blue color, 50° hardness. Read more

“GBB” type, flat hopup rubber, 70°, pack of 4
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, 4 piec Read more

“AEG” cut inner barrel, passivated brass, 6.05 mm bore, 330 mm long,
Ideal for:

– “330 mm” TAC-41 outer barrel used with “AEG” hopup unit. Read more

Gunstand for the TAC-41. It uses a modified short polymer magazine and CNC aluminium parts with a black anodize coating and laser marking “TAC-41”.Delivered disassembled. Read more

“AEG” cut inner barrel, passivated brass, 6.05 mm bore, 510 mm long,Ideal for:
– “510 mm” TAC-41 outer barrel used with “AEG” hopup unit.

– “20 inches” SRS outer barrel Read more

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 compressed Read more