Rise Armament Lower Parts Kit AR-15 Minus Trigger. These AR15 Lower Parts from RISE Armament include 20 pieces to complete your lower build. The RISE Armament AR15 Lower Parts Kit Without Trigger comes with standard trigger pins and safety but these kits do NOT come with a trigger. Whether you need to replace a few parts or the whole receiver this reliable RISE Armament AR-15 Lower Parts Kit (No Trigger) will get the job done right. Specifications for RISE Armament Lower Parts Kit Ar-15 Minus Trigger: Manufacturer: RISE Armament Color: Black Finish: Black Gun Model: AR-15 Trigger Pin Size: 0.15625 in Weight: 0.19 lb Condition: New Features of RISE Armament Lower Parts Kit AR-15 Minus Trigger: 20-piece kit w/ standard trigger pins and safety Does Not Include Trigger Package Contents: Rise Armament Rise Lower Parts Kit Ar-15 Minus Trigger Rise Armament Rise Lower Parts Kit Ar-15 Minus Trigger