Bolt carrier group by GHK, made from durable steel and featuring the 2024 V3 nozzle that increases cylinder capacity by 20 %. Optimized BB‑feeding stop point and correction plane at rear ensure smoother cycling. Counterweight included for improved recoil feel. Drop‑in suitable for V3 rifles or as upgrade for V2 models.
Fits GHK M4 AR‑15/M4 V3 GBBR rifles and serves as upgrade kit for V2 GBBR models.