Delivery before X-MAS only for orders received by December 17, 2025.
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Aluminum Airsoft RIS Vertical Grip PK-1 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
5KU24
CNC Lower Handguard ZB-10M for AK by 5KU in black. Short variant inspired by ZenitCo handguards for classic AK / AKM airsoft rifles. Lightweight CNC-machined aluminum with integrated RIS rails. Length 160 mm, weight 170 g. Not compatible with AK-74U or other compact variants.
: 5KU
5KU25
CNC Lower Handguard ZB-11 for AK-74U by 5KU in black. Short variant inspired by ZenitCo B-11 handguard for AK-74U airsoft rifles. Lightweight CNC-machined aluminum with integrated RIS rails. Length 123 mm, weight 120 g. Designed exclusively for AK-74U and other compact AK variants.
: 5KU
5KU28
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.
Looking for a sturdy and stable vertical grip that mounts directly to a standard RIS rail? Need a durable CNC aluminum grip that also provides useful internal storage? Want a grip that improves weapon handling, speeds up target acquisition, and reduces recoil on GBB rifles? Then the 5KU PK-0 is the right choice for your build. The grip’s CNC-machined aluminum body ensures precise fit and durability, while the dual screw mount keeps it securely attached with no wobble. The ergonomic design supports stable aiming and comfortable long-term weapon handling. Inside, a storage compartment with screw-on cap can hold small items such as spare batteries or tools—perfect for field use. The PK-0 is modeled after the real ZenitCo PK-1 vertical grip.

| Color | Black |
| Length | 115 (mm) |
| Weight (g) | 150 (g) |
| Body/receiver material | Metal |