Silverback (90 Newton) APS 13mm Type Spring for SRS & TAC41 Originating-Armory_RAINIER ARMS Design For Mount on the

Design For Mount on the FABARM STF12 Shotgun Receiver

130 rds Loading Capacity

Steel Folding Stock offer good maneuver around Close Quarter Combat Situation

Built-In quick release ball-joint type bipod receptor allow quick attach/detach of bipod

Silverback (90 Newton) APS 13mm Type Spring for SRS & TAC41 Originating-Armory_RAINIER ARMS Design For Mount on theSilverback (90 Newton) APS 13mm Type Spring for SRS & TAC41 Metal Construction Design For Replace the Origianl Parts This spring is following the APS 13 mm standard (for 9 mm outside diameter spring guide). While being compressed at 99 mm in length, it delivers 90 Newton (+ 5%, around 9 Kg of force). This spring received a black electrophoresis coating, and a laser marking to quickly identify the spring. Suitable For Silverback TAC41P SRS Series