M4 Barrel Extension (M4 Feedramps)
For your AR15, M16, M4. For use by barrel manufacturers. Use this M4 Barrel extention with M4 feedramps. For new construction barrels only. Does NOT include pin
For your AR15, M16, M4. For use by barrel manufacturers. Use this M4 Barrel extention with M4 feedramps. For new construction barrels only. Does NOT include pin
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