AR15/M-16/M4/CAR15 RP Trigger Spring $9.97 Reduced Power Trigger Springs are approximately 25% lighter than factory to help improved trigger pull. 34901 / 3 In stock AR15/M-16/M4/CAR15 RP Trigger Spring quantity Add to cart Categories: AR-15, Wolff Gun Springs Related products High Standard Bolt Carrier Group 5.56, new, made in USA. $499.00