Zenitco B-70-0 Joker-0 Short Upper Picatinny Handguard
- $159
Available Options
In short: The Zenitco B-70-0 is the short upper component for the Joker-0 handguard system on the AR-15 platform. It replaces the standard upper position, provides a compact top Picatinny rail and is installed as part of the matching Joker-0 interface.
Compatibility checkpoint
B-70-0 is documented for the AR-15 platform and the Joker-0 configuration. The manufacturer associates it with the B-80 Joker-0 lower handguard; the complete installation also uses the system mounting nut and a compatible adjustable gas block. It is not a standalone drop-in component for a standard interface.
Purpose and interface
The one-piece milled component creates a 68 mm upper section with a Picatinny surface for compact accessories. Its open profile keeps the assembly light and supports airflow through the installed interface.
Technical specifications
| Documented platform | AR-15 with the matching Joker-0 system components |
|---|---|
| Associated lower component | B-80 Joker-0 |
| Material | D16T aluminum alloy, one-piece milled construction |
| Accessory interface | Short top Picatinny rail |
| Weight | 35 +3 g |
| Dimensions | 68 × 39 × 38 mm |
| Operating range | −50°C to +50°C |
| Manufacturer warranty | 60 months |
| Color | Black |
Delivery basis
B-70-0 Joker-0 short upper handguard — 1.
Installation note
The documented Joker installation first positions the mounting nut, lower component and compatible adjustable gas block. The upper component is then installed on the aligned lower interface and secured with the system screws. Confirm the complete Joker-0 configuration before ordering.
Frequently asked questions
What platform is B-70-0 documented for?
The AR-15 platform with the matching Joker-0 system components.
Which lower component is associated with B-70-0?
The manufacturer associates the short B-70-0 upper component with the B-80 Joker-0 lower handguard.
What interface does B-70-0 provide?
A compact top Picatinny rail in a 68 mm upper component.
Is B-70-0 a complete Joker-0 system?
No. It is an upper component; the matching lower and system mounting parts must be confirmed separately.
What's in the Box
General
Mounting & Rails
Kit Contents
Care & Chemicals
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