Product Description ARP 9 2.0 7 inch Metal M-LOK Rail G&G 9mm Polymer Receiver Pre-Installed ETU and MOSFET with Battery Protection and Programmable 3 Round Burst 168mm Inner Barrel Includes 170R MidCap Magazine for ARP 9 (G-08-205) Includes GOS-V9 PDW Stock Includes Detachable M-LOK Hand Stop (G-03-238) Warranty Period The warranty on this product is 90 days. Customer Reviews