76. GK1 Barrel / GK1 Mini Barrel (.177 & .22 & .25 & .30)

| Part no. | 76 |
|---|---|
| Model | Huben GK1 and GK1 Mini |
| Group | Barrel and moderator |
| Size / spec | .177, .22, .25, .30 |
| In diagram | Diagram 1 |

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| Part no. | 76 |
|---|---|
| Model | Huben GK1 and GK1 Mini |
| Group | Barrel and moderator |
| Size / spec | .177, .22, .25, .30 |
| In diagram | Diagram 1 |