The M4 carbine is a family of firearms tracing its lineage back to earlier carbine versions of the M16, all based on the original AR-15 designed by Eugene Stoner and made by ArmaLite.
It is a shorter and lighter version of the M16A2 assault rifle, with 80% parts commonality. (Wikipedia)
The M4 carbine is a family of firearms tracing its lineage back to earlier carbine versions of the M16, all based on the original AR-15 designed by Eugene Stoner and made by ArmaLite.
It is a shorter and lighter version of the M16A2 assault rifle, with 80% parts commonality. (Wikipedia)