Colt AR-15/M-16/M4, Reduced Power Trigger Function Pak $19.97 Wolff Trigger Function Pak contains 1 ea reduced power trigger spring and disconnector spring. Designed to lighten and improved trigger function. 34910 Only 2 left in stock Colt AR-15/M-16/M4, Reduced Power Trigger Function Pak quantity Add to cart Category: AR-15 Related products High Standard Bolt Carrier Group 5.56, new, made in USA. $499.00