B-72 rail Joker-2 by Zenitco

B-72 rail Joker-2 by Zenitco is an advanced upper handguard bracket designed for AR-15 carbines. Replacing the standard top handguard, it adds a robust Picatinny rail section (246 mm) for mounting tactical accessories such as optics, lights, and lasers.

The B-72 is a solid, one-piece milled construction made from D16T aluminum alloy with a durable black coating. It enhances both the structural rigidity and cooling of the firearm while maintaining lightweight performance.

Operational Benefits:

• High-strength milled construction
• Improved barrel cooling
• Allows attachment of additional accessories
• Optimized for minimum size and weight

Specifications:

• Weight: 106 ± 3 g
• Dimensions: 246 × 39 × 38 mm (9.68")
• Material: D16T aluminum alloy
• Color: black
• Operating temperature: -50°C to +50°C
• Warranty: 60 months

Installation instructions:

1. Disassemble the muzzle device, standard forend, gas block, and mounting nut.
2. Install the Zenitco fastening nut (remove the pre-locking nut first).
3. Mount the lower handguard B-82 and secure the fixing nut.
4. Install the adjustable gas block and tighten its screws via the holes on the B-82 bracket.
5. Ensure the B-82 bracket aligns with the upper receiver for continuous Picatinny rail alignment.
6. Lock the bracket using the included key.
7. Slide the B-72 bracket into place on the lower bracket and fasten with four screws.
8. Attach any accessories as required.

Original Zenitco product. Distributed globally by Bazalet.