KRISS USA's Redesigned Hinged Vector Folding Stock is compatible with both the GEN I and GEN II KRISS Vector (pre-2017) bodies and now features a metal sling loop below the body. The folding stock aids with the storage and transport of your KRISS Vector by reducing the overall length by approximately 9.5 inches when folded. Includes one pivot pin. Installing this stock on the Vector SDP will reclassify your pistol as an SBR. Features: Compatible with both the Gen I and Gen II KRISS Vector (pre-2017) bodies Reduces overall length by approximately 9.5 inches when folded