THE BEST SIDE OF M4 CARBINE OEM1

For concentrate on acquisition, the rifle is provided with an A2 entrance sight and also a Magpul MBUS rear sight, guaranteeing quick and correct sight alignment.+1 the Troy MLOKs do the job really well if you don't want to tug the fuel block and replace the barrel nut. In case you are fine with replacing the barrel nut then sky's the limit, get wh