Spikes tactical lower, RRA 2-stage trigger, YHM upper with Todd Jarrett handguards. Comes with Diamondback 9x40 scope mounted on Nikon M-223 scope mount. Barrel is 20' in length. Never had any problems with shooting the gun. The previous owner took very good care of the gun, I didn't get to shoot it much and always kept it in a case. But when i did i loved it. Price is 1000 firm. Send me offers.