CMMG Barrel AR-15 22 Long Rifle M4 Contour 1 in 16" Twist 16" Chrome Moly Matte with Chamber Adapter Pre-Ban
- Barrel Length: 16"
- Twist: 1 in 16"
- Barrel adapter included
- Compatibile with all Atchison style AR-15 22 Long Rifle conversions with chamber adapter removed and replaced with barrel adapter.
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