Nine Ball TDC Threaded 5.1 Outer Barrel for Hi Capa

Nine Ball TDC Threaded 5.1 Outer Barrel for Hi Capa

Frequently Bought Together

Complete your setup with the most common add-ons.

NexxSpeed 120% Enhanced Recoil Spring for Hi Capa (2 Pack)

$14.99

Dr. Black 5.1 Type “Favos” Outer Barrel for Hi Capa

$84.99

Nine Ball 6.00 Power Inner Barrel for 5.1 Hi Capa (112.5mm)

$34.99

LA Capa Customs V2 Rubber "Flat Hop" Bucking for GBB Pistols

$11.99

Dr. Black 5.1 Type “Geom” Outer Barrel for Hi Capa

$84.99

Upgrade your Tokyo Marui Hi Capa 5.1 gas blowback pistol with the Nine Ball TDC Threaded Outer Barrel. CNC machining produces this high-quality outer barrel made of aluminum, which features a TDC hop-up adjustment system. The TDC system allows you to make precise hop-up adjustments without having to disassemble the slide. This results in more consistent and accurate shots, especially at longer ranges.

The Nine Ball TDC Threaded Outer Barrel also features a 14mm CCW thread at the muzzle, allowing you to attach a variety of muzzle devices, such as tracers, suppressors, and compensators. The outer barrel is also compatible with most Hi Capa 5.1 inner barrels and hop-up units.

Improve the accuracy and consistency of your Hi Capa 5.1 pistol
Make precise hop-up adjustments without having to disassemble the slide
Attach a variety of muzzle devices to enhance the performance and appearance of your pistol

Common Product Questions

Find quick answers about our airsoft products, shipping and policies.

Can LA Airsoft install this part for me?

Yes. We can build and upgrade Hi-Capas, AAP platforms, and rifles. Choose your base gun and parts, then add the appropriate tech service.

The current custom-build service states that builds are normally completed in approximately 3 to 5 days, with the team reviewing the selected parts for compatibility.

Do I need tools or gunsmithing?

That depends on the upgrade. Simple external parts may be straightforward, but internal upgrades can require disassembly, reassembly, adjustment and testing.

If you are not comfortable working inside your airsoft gun, our team offers professional tech and custom-build services.

How quickly will my order ship?

Orders without preorder items are typically packed the same day when placed before 4:30 p.m. Central Time. Please note that occasional delays can occur during especially busy periods or when staffing is limited.

How should I maintain this product?

Regular maintenance helps preserve performance and reliability. Keep the product clean, follow the manufacturer’s lubrication instructions, and properly manage batteries, gas systems, and internal components. More advanced repairs or internal servicing should be handled by an experienced airsoft technician.

Will this part fit my platform?

Compatibility is product-specific. Check the brand, model, size, and platform named in the product description, such as Tokyo Marui Hi-Capa 4.3 or 5.1, AAP-01, Umarex/VFC Glock, or a particular AEG gearbox type.

Similar-looking parts are not always interchangeable, so contact our team with your exact model if you are unsure.

Will this part increase my FPS?

Not every upgrade increases FPS. Some parts are designed primarily for reliability, cycling speed, weight reduction, or gas efficiency. When a product has a tested FPS claim, it should be stated in the listing.