6.5 Grendel Forum
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6.5 Grendel ARs and Other Semi-Autos
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Grendel Upper: Oversized or standard barrel extension tunnel
Who Posted?
Who Posted?
| Total Posts: 15 | |
| User | # Posts |
| montana | 5 |
| LRRPF52 | 4 |
| Bonas | 4 |
| js8588 | 1 |
| Darryle | 1 |