![Hop-Up chamber for the M16/M4 type replicas Hop-Up chamber for the M16/M4 type replicas](https://air.viruisis.lt/13308-large_default/hop-up-chamber-for-the-m16m4-type-replicas.jpg)
Hop-Up chamber for the M16/M4 type replicas
The plastic made hop-up chamber is designed for the M16/M4 type replicas.
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