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CNC Lower Handguard B-30 for AK by 5KU in black.
Long variant inspired by ZenitCo for classic AK / AKM airsoft rifles.
Lightweight CNC-machined aluminum with integrated RIS rails.
Dimensions of 255 × 53 × 38 mm, weight of 260 g.
Not compatible with AK-74U or other short-barreled versions.
: 5KU
5KU16
Aluminum Airsoft RIS Vertical Grip PK-0 by 5KU in black. Replica of the ZenitCo grip. CNC-machined aluminum construction. Dual screw mounting system for RIS rails. Built-in storage compartment with screw-on cap. Enhanced ergonomics for faster aiming and a firmer hold, especially on GBB rifles.
: 5KU
5KU14
Aluminum Airsoft RIS Grip ZRK-2 by 5KU in black. Replica of the ZenitCo PK-2 grip with authentic markings. CNC-machined aluminum construction. Dual-screw attachment for secure mounting on RIS rails. Integrated storage compartment with screw-cap lid. Improved ergonomics for faster aiming and steadier handling on GBB rifles.
: 5KU
5KU30
CNC Upper Handguard B-31C for AK by 5KU in black. Variant inspired by ZenitCo for classic AK / AKM airsoft rifles. Lightweight CNC-machined aluminum with a top 20 mm RIS rail. Length of 195 mm. Designed to fit the B-30 lower handguard.
Looking for a durable and lightweight handguard to replace your original polymer one while adding a full-length 20 mm RIS rail for accessories? Need a part that’s precision CNC-machined and fits standard AK / AKM rifles? Want a long version handguard that gives you extra mounting space while maintaining perfect balance? Then the CNC B-30 lower handguard from 5KU is the right choice. The B-30 long variant is designed for classic AK / AKM replicas (not suitable for short AK-74U models). Thanks to precise CNC machining, it fits tightly on the rifle body and provides a sturdy base for mounting accessories. The integrated 20 mm RIS rails at 3, 6, and 9 o’clock allow for grips, bipods, lights, and other tactical gear. The lightweight aluminum body reduces overall weight compared to steel parts while keeping the rifle balanced — perfect for modern AK builds. The B-30 is also compatible with B-31C or ZB-31C upper handguards.

The ZB-31C upper handguard shown is for illustration only (sold separately).
| Color | Black |
| Body/receiver material | Metal |