Quick view Shoulder Strap Adapter 03 for T.Rex AC1, Crye SPC, Crye JPC, and Crye JPC 2.0 click here for a YouTube video for an overview on Shoulder Strap Adapter 03 Shoulder Strap Adapter 03 for T.Rex AC1, Crye SPC, Crye JPC, and Crye JPC 2.0. Shoulder Pad Adapter 03 adds loop to the bottom of a plate carrier's shoulder straps. ... MSRP: Was: Now: $20.00 Choose Options