SKU: 5614103748

TAC 41 Hop-Up Chamber (GBB Bolt)

Sale price$38.66 Regular price$42.95
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

TAC 41 Hop-Up Chamber (GBB Bolt)TAC 41 hop up unit, optional TAC 41 GBB type hop up unit, for GBB inner barrel and GBB hop up rubber. Included parts: T41 0226 GBB hop up body (aerospace grade CNC construction) T41 0227 aerospace grade rubber seat (aerospace grade CNC construction) T41 0228 barrel clip (SS304 laser cut) T41 0202 hop up wheel T41 0203 concave nub T41 0224 feeder T41 0225 feeder spring guide T41 1008 spring HOP 316001 60 flat hop up rubber, GBB type M5X6 ISO7380 2

TAC-41 hop-up unit, optional TAC-41 “GBB” type hop-up unit, for “GBB” inner barrel and “GBB” hop-up rubber. Included parts: - T41-0226 “GBB” hop-up body (aerospace-grade CNC construction) - T41-0227 aerospace-grade rubber seat (aerospace-grade CNC construction) - T41-0228 barrel clip (SS304 laser cut) - T41-0202 hop-up wheel - T41-0203 concave nub - T41-0224 feeder - T41-0225 feeder spring guide - T41-1008 spring - HOP-316001 60° flat hop-up rubber, “GBB” type - M5X6 ISO7380-2 screw - M3X6 ISO7462 screws (x3) - M4X8 DIN7991 screw - M4X5 ISO4027 screws (x2) - 8 × 2 O-ring (x1) - 4 mm ball plunger This TDC (Top Dead Center) hop-up features a nub travel range of 0.75 mm, divided into 50 positions (15 µm per click). Includes a feeding system to prevent double feeding, 60° flat “GBB” hop-up rubber (SBA-HOP-41), and is compatible with “GBB” hop-up rubbers and “GBB” inner barrels. To fit different barrel brands, it can be installed using the barrel clip or the 3 M3X6 screws. Due to a different inner barrel position inside the hop-up, this unit requires inner barrels at least 3 mm shorter than an “AEG” hop-up unit using the same outer barrel, to prevent the inner barrel from protruding beyond the outer barrel. - The “510” outer barrel requires a 507 mm GBB inner barrel - The “420” outer barrel requires a 417 mm GBB inner barrel - The “330” outer barrel requires a 327 mm GBB inner barrel This hop-up unit is compatible with the advanced hop-up kit (SBA-HOP-34).

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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SKU: 5614103748

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4.6 ★★★★★
Based on 24 reviews
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Verified Purchase
Scott Taylor
Charlottesville, US
★★★★★ 5
Great cold brew maker!
So far this has been a big improvement from a different brand cold brew maker I had. It is simple and easy to used doesn’t leak. The coffee comes out tasting great! It has a smart design that works well. It’s a great deal for how well it works. It is big enough to last all week but not take up to much space in the fridge.
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Reviewed in the United States on October 27, 2025
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Verified Purchase
Finn
Boise, US
★★★★★ 1
Air gets trapped in the filter so it won’t fully steep
Color: Black, Size: 40 oz
Filter doesn’t let air out. It’s weird about all these positive reviews bc I tried cold brewing tea two times overnight but the filter holes are so small that basically it traps a large air bubble inside with the tea leaves. The water was barely steeped. It was weird enough to the point where I thought there must be a clear film on the filter that I hadn’t removed. When I loosen the lid all do the air rushes out and it fills w water, but when you tighten the lid any air inside with your grounds/leaves is trapped and prevents steeping. I kept thinking it was me based on all of these positive reviews but I could not prevent the massive about of air from getting trapped in the filter. If they made the holes bigger (not too big to let grounds out but currently you could mistake it for plastic film) then it would’ve been perfect. Nice size and about what I’d drink in a day or so. Change the filter hole size to let air flow out and I’ll buy it back!
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Reviewed in the United States on May 16, 2026
L
Verified Purchase
Lucy Bui
Battle Creek, US
★★★★★ 5
Excellent Latte
Color: Silver, Size: 20.3 Ounces
It's an excellent cup for consistent lattes every time. I've already purchased additional ones for my sisters.
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Reviewed in the United States on May 14, 2026
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Verified Purchase
Paola Muñoz Gómez
Belleville, US
★★★★★ 5
Love it!! Perfect size
Color: Silver, Size: 11.8 Ounces, Color: Silver, Size: 11.8 Ounces
Super happy with the product!
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Reviewed in the United States on June 7, 2026
R
Verified Purchase
Ree G.
Alexandria, US
★★★★★ 5
Great value / great look
Color: Silver, Size: 11.8 Ounces
Very nice stainless steel frothing pitcher but the Latte art pen is very small, much smaller than I expected. The size is perfect for working with one Latte at a time. All in all a nice product. No real complaints...I mean, what can go wrong with a frothing pitcher :)
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Reviewed in the United States on July 30, 2025

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