The BRN-180 chambered in 350 Legend ready to hunt! Fully self contained Upper Receiver Group, requires no messing with new buffers or recoil springs. Compatible with standard AR-15 lower receivers, easily set your rifle up for hunting season with the BRN-180 350 Legend. This model has the same features people appreciate on the standard BRN-180, such as the overall lightweight, piston operating system, reliability, ease of maintenance and simple operation. Have confidence in feeding any specialized 350 Legend ammunition! Optimized for 350 Legend, this variant features improved feed ramps, to feed the bigger, straight walled cartridge. Optimized gas system ensures reliable operati Mfg: Brownells