HECKLER & KOCH USA Magazines
Heckler & Koch 30 Round Black M4/M16 Magazine
This is the magazine you have heard about. Top quality from H&K, they don't get any better than this. They hold 30 rounds and work in H&K MR556 rifles and other AR-15/M4 type rifles.
Mfg Item Num: 251770
Category: FIREARMS - CLIPS & MAGAZINES
Capacity: 30 rd
Model: HK Steel 233614