HIPERFIRE Enhanced Duty Trigger Sharp Shooter AR15 Assembly Semi Auto. Hipertouch is short for "high performance touch" which is a trademark of this company and which they modeled the FCG after. This is the Fire Control Group upgrade you've been waiting for and which should be a dream come true for shooters who want a truer feel less creep and a crisper break. The Hipertouch EDT FCG has two user-adjustable trigger weights of 4.5/5.5 lbs and is single stage semi-automatic. The FCG will work in standard AR-15 lower receivers with small pins. As an added bonus these FCGs install without needing to remove the safety selector making this upgrade a breeze. Get the Hipertouch FCG today for your AR-15 rifle and experience a truer smoother and more precise shooting experience. Specifications for HIPERFIRE Enhanced Duty Trigger AR Fire-Control Group w/Curved Trigger 4.5/5.5lb Pull Weight: Manufacturer: HIPERFIRE Color: Black Trigger Material: Heat Treated Alloy Steel Trigger Pull Weight: 4.5 - 5 lb Gun Model: AR-15 Additional Features: Curved Trigger Condition: New Features of HIPERFIRE Enhanced Duty Trigger AR Fire-Control Group w/Curved Trigger 4.5/5.5lb Pull Weight: Drop-In AR15 Fire-Control Group for .223/5.56 NATO 300 BLK 6.5/6.8 w/ US Primers. Enhanced Duty Trigger. 2 User-Adjustable Trigger Weights of 4 1/2+ and 5 1/2+ 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. Package Contents: HIPERFIRE Hipertouch EDT Fire-Control Group Group What firearm models does the manufacturer say HIPERFIRE Enhanced Duty Trigger AR Fire-Control Group w/Curved Trigger 4.5/5.5lb Pull Weight is compatible with? The manufacturer suggests that HIPERFIRE Enhanced Duty Trigger AR Fire-Control Group w/Curved Trigger 4.5/5.5lb Pull Weight is compatible with AR-15HIPERFIRE EDTSS: Enhanced Duty Trigger Sharp Shooter AR15 Assembly Semi Auto