Most x39's are 1/10. When they built the Yemen CK-901 they used a big 7.62 bolt head. AR15 upper and .308 sized lower that took AK mags.
ColtCZ doesn't even list them on their website. not really surprising now is that?
Most x39's are 1/10. When they built the Yemen CK-901 they used a big 7.62 bolt head. AR15 upper and .308 sized lower that took AK mags.
ColtCZ doesn't even list them on their website. not really surprising now is that?
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