The RA-140 Super Sporting Trigger from Rise Armament is a drop-in replacement unit for AR-pattern rifles that provides a crisp, one-stage trigger pull at an economical price. Breaking cleanly at 3 lbs., 8 ozs., of pressure with virtually no discernable takeup, the RA-140 SST is CNC-machined from heat-treated tool steel, is contained within a hard-coat anodized aluminum housing and can be installed using just the rifle’s factory trigger pins. Price: $129. Contact: Rise Armament; (918) 994-7058; risearmament.com.
