FN 502 Tactical with Holosun 507k Red Dot and Threaded Barrel Open to Trades. Comes with original FN Hard Case 1x 15RD mag and 1x 10RD mag Original Optics Plate kit and Optics Cover Plate Stainless Steel Guide Rod Sig Recoil Spring Upgrade Comes with original guide rod and recoil spring Text 561--758--2454 for more info.