The BRN-16A1 Lower Receiver precisely mirrors the original form and dimensions with a proper M16A1 front take-down lug profile. Some people also remark that the anodizing isn't perfect as you might even come across occasional traces of residue that slightly discolor the anodizing process.ĭespite sporadic complaints, NoDak Spud products are on the high end of quality and they have maybe the best reproduction lowers on the market that match the features of the original M16A1 receiver. The Brownells machined them to mil-spec dimensions and finished with a matte grey or black hard anodized finish to match most of the modern uppers found on the market today.Īlthough this Brownells A1 retro lower is clone correct, some builders complain that it’s not as snug of a fit to the other manufacturers upper as it should be. The Brownells BRN-16A1 stripped lower receivers come from the NoDak Spud (NDS) milling shop where they start as a 7075 T6 aluminum forging. These lower receivers are immediately recognizable by the "Full Magazine Fence" typical for the third iteration in the A1 lower series. The Brownells is a well-known supplier for retro AR-15/M16, particularly for the AR-15/M16 A1 with manufacturer number BRN16A1. Historical reenactments and the increased interest of collectors for Vietnam War spawned offerings of the early AR-15 and M16A1 rifles as well as the parts kits for builders.
You'll often hear people refer to A1, A2, A3, or A4, but it means they are actually related to the different generations of the M16 rifle.