Silverback - 150 Newton APS 13mm Type Spring for SRS & TAC41 boots This is an ABS 3D

This is an ABS 3D Printed part

Integrated SSS

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Name:G&G Piranha MK1 Gas Blowback Pistol Black

Silverback - 150 Newton APS 13mm Type Spring for SRS & TAC41 boots This is an ABS 3DAPS 13 mm, 150 Newtons spring This spring is following the APS 13 mm standard (for 9 mm outside diameter spring guide). It will fit any rifle compatible with this standard, including all SRS (except the discontinued push bolt mechanism) and all TAC 41. While being compressed at 99 mm in length, it delivers 100 Newton (+ 5%, around 9 Kg of force). This spring received a black electrophoresis coating, and a laser marking to quickly identify the spring.