B-84 Rail Joker-4 by Zenitco

B-84 Rail Joker-4 by Zenitco is a high-strength lower handguard for AR-15 platform carbines. Precision CNC-milled from D16T aluminum alloy and finished in a black anodized coating, it offers maximum durability with minimal added weight.

Featuring the proprietary Basis mounting guide, the B-84 allows for secure attachment of tactical accessories like the B-2 and B-2U mounts. Its extended length ensures optimal customization space while maintaining proper barrel cooling and alignment.

Key Advantages:

• All-milled construction from D16T alloy
• Enhanced barrel cooling and thermal management
• Compatible with wide range of tactical accessories
• Perfectly integrates with B-74 upper handguard

Technical Specifications:

• Material: D16T aluminum alloy
• Color: Black anodized
• Weight: 187 ± 3 g
• Dimensions: 408 x 41 x 51 mm
• Operating temperature: -50°C to +50°C
• Warranty: 60 months

Installation Guide:

1. Dismantle the muzzle device, standard handguard, gas block, and mounting nut.
2. Install the lower handguard B-84 by aligning it with the receiver.
3. Mount the adjustable gas block and tighten using the holes in the bracket.
4. Secure the bracket using the provided fixing nut and hex key.
5. Align with the B-74 upper handguard and fasten using four screws.
6. Install additional accessories via the integrated Basis rail.

Authentic Zenitco product. Official worldwide distributor: Bazalet.