As an old-school fan of the original AR-18 platform, the BRN-180 Lower Receiver is a welcome addition to Brownell’s lineup supporting the BRN-180 Upper. To be clear, an original stamped sheet metal receiver would have been excellent for history’s sake, yet, as I’ve mentioned, the ...
The first testing configuration consisted of an AGP Arms forged lower with one of their side folding stock assemblies. This stock folds flush to the right side of the receiver and isn’t blocked from doing so by the charging handle. The downside with folding to the right is the BRN-180 ca...
Receiver has integral plunger tube, squared trigger guard, and flared, 360° magazine well. Precision cast from 4140 carbon steel and fully CNC machined to tight toler- ances for highly accurate rail specs and pin hole locations. Heat treated to Rc 22-24 for optimum performance and durability...