Hopup, Buckings and Nubs

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

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 construc

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 nu

TAC 41 Hop Up Unit

SRS Flat Hop Up rubber for SRS 50° +nub
Ref: SBA-HOP-20

SRS Flat Hop Up rubber 60° + Nub

SRS Flat Hop Up rubber 70° + Nub

SRS Flat Hop Up rubber for SRS 50° +nub
Ref: SBA-HOP-20

“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.

“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.

“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.

“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.