COLT SMG UPPER NO FURTHER A MYSTERY

So, for those who’re not too bothered about seeking a significant tactical weapon with a powerful caliber but need to have fun with a similar kind of weapon – a 9mm AR-fifteen upper can be the way forward.The best part is, you can use 9mm magazines on your own pistol by obtaining a 9mm conversion kit so that you could transform it to an AR-15 d