Zenitco B-73 Joker-3 Upper Handguard Rail for AR-15
- $399.00
-
Available Options
Zenitco B-73 Joker-3 Upper Rail
Genuine Zenitco | Joker system upper rail (Joker-3) for AR-15 | Weight 130 g
In short: the Zenitco B-73 is the upper half of the genuine Zenitco Joker modular free-float handguard for AR-15 rifles. It clamps to the Zenitco BN-1 titanium barrel nut and provides a continuous Picatinny (1913) rail for optics, sights and accessories. Part of the genuine Zenitco line.
Compatibility: Zenitco Joker modular handguard system for AR-15; mounts on the Zenitco BN-1 titanium barrel nut. Joker-3 length class. Provides a Picatinny (1913) rail surface.
Key Advantages
- Genuine Zenitco Joker-system upper rail
- Full Picatinny (1913) rail for optics and accessories
- Precision CNC-machined D16T aircraft aluminum
- Lightweight at just 130 g
- Hard-anodized finish for corrosion resistance
Technical Specifications
| Brand | Zenitco |
| Type | Handguard rail (upper) |
| Material | D16T aluminum |
| Weight | 130 g |
| Dimensions (LxWxH) | 306 x 39 x 38 mm |
| Mounting | Picatinny (1913) |
| Fits | AR-15 (Zenitco Joker handguard system) |
| Operating temperature | -50°C to +50°C |
| MPN | Zen-B-73 |
| Condition | New |
In the Box
- 1 x Zenitco B-73 upper rail
- Mounting hardware
Frequently Asked Questions
What is the Joker system?
Joker is Zenitco's modular free-float handguard for AR-15 rifles. The upper and lower rails clamp onto the BN-1 titanium barrel nut to build a rigid, free-floating forend.
Does the B-73 fit any AR-15?
It is designed for AR-15 pattern rifles built with the Zenitco Joker barrel nut (BN-1). It is not a drop-in for standard AR handguards.
Is this a genuine Zenitco part?
Yes - it is an original Zenitco B-73 with guaranteed delivery.
Related: browse more genuine gear on the Zenitco brand page.
Genuine Zenitco B-73 upper handguard rail.
In Stock | Guaranteed Delivery | Original Zenitco Part
In Stock | Guaranteed Delivery | Original Zenitco Part
General
Mounting
Picatinny (1913)
Type
Handguard rail (upper)
Brand
Zenitco
Manufacturer Part Number (MPN)
Zen-B-73
Condition
New
Intended Use
AR-15 (Zenitco Joker handguard system)
Material
D16T aluminum
Weight
130 g
Dimensions (L x W x H) mm
306 x 39 x 38 mm
Operating Temperature
-50°C to +50°C
Zenitco, B-73, Joker, AR-15, handguard rail