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Hop-up chamber PK-424 LCK AK by LCT in black is a rotary chamber designed for airsoft LCK AK type rifles with a Version 3 gearbox. It provides precise and stable hop-up pressure adjustment and is designed exclusively for LCT LCK AK models.

25+ years of proven equipment and accessories.
: LCT
LCT0121
LCT AK-12 (LCK-12) airsoft rifle in a black finish is a realistic 5th generation AK AEG with a steel receiver, featuring a RIS handguard and a folding, retractable stock. LCT AK rifles are among the best replicas on the market. They offer a reinforced V3 gearbox with quality internal components, a Mini Tamiya connector, and excellent performance of 125...
: LCT
LCT0122
LCT AK-15 (LCK-15) airsoft rifle in a black finish is a realistic 5th generation AK AEG with a steel receiver, RIS handguard and a folding retractable stock. LCT AK rifles are among the best replicas on the market. They offer a reinforced V3 gearbox with quality internal components, a Mini Tamiya connector, and excellent performance of 125 m/s straight...
PK-424 is a new type of rotary hop-up chamber that ensures smooth and precise BB pressure adjustment. Compared to traditional lever-style systems, it holds its setting more reliably even during extended shooting. The chamber is made from durable polymer, combining low weight with long service life. It is fully compatible with LCT LCK AK rifles and the LCT PK-425 AEG hop-up bucking.
Precise and smooth hop-up regulation without unintended loosening.
Lightweight and solid construction built for long-term use.
Designed specifically for LCT LCK models with Version 3 gearbox.
| Color | Black |
| Hop-Up chamber material | Plastic |