SILVERBACK - Hop-Up Rubber Bucking and Nub Set for Desert Tech SRS Series HK 416 .17 - Pull Pin Top Cocking

- Pull Pin Top Cocking Delrin Bolt

Size:   11” X 5” X 5” IN

5" - Bottom Width 13

21 Round Drop Free Magazine

SILVERBACK - Hop-Up Rubber Bucking and Nub Set for Desert Tech SRS Series HK 416 .17 - Pull Pin Top CockingFeatures Manufactured from the most optimal material to provides consistent pressure and hop Requires no modification for installation in most barrel hop up combinations Works best with Silverback Airsoft Desert Tech SRS Series Airsoft Sniper Rifles The Silverback SRS flat hop up rubber set for the SRS includes all of the four different degree rubbers for the platform. 50, 60, 70, and 80 degree rubbers make it easy for you to choose which one suits