High Performance, Duty Rifle Upgrade US Primers Only, 556/223, 300 BLK, 6.5/6.8 Robust Single Stage, Semi-Auto 2 User-Adjustable Trigger Weights Smooth, Fast, Flat Pre-Travel & Reset Small Pins: .154" Dia. No Screws, No Lower Modifications Drop-In "AR15" Fire-Control for .223/5.56 NATO, 300 BLK, 6.5/6.8 w/ US Primers Enhanced Duty Trigger 2 User-Adjustable Trigger Weights of 4½+ and 5½+ lbs Single Stage, Semi-Auto For Standard AR Lower Receivers Using Small Pins of 0.154-inch Diameter "Hint" of Creep, Slightly Shorter Travel to Break from Moment of Reset Clean Break, Best-In-Class Fast/Positive Reset Faster Hammer Lock-Up than Stock, MIL-spec Strike Energy Heat-Treated Alloy Steels Installs without Removal of the Safety Selector US Patents Pending Made Entirely in the USA by Americans The HIPERTOUCH® EDT fire-control drop-in is a high performance, high precision, service rifle upgrade that installs in AR-15® type rifles. The HIPERTOUCH® name is short for HIgh PERformance TOUCH and EDT for Enhanced Duty Trigger with user adjustable trigger weights of 4½+ and 5½+ lbs. It’s the “AR” fire-control upgrade we’ve all dreamed of. For installation and operational features of the HIPERTOUCH® EDT