When you're ready to build your precision AR, you need reliable components that you know you can count on. That's why you should pick up a RISE Armament Standard Lower Parts Kit. This 20 piece parts kit includes all the small parts you need to complete your RISE lower except the fire control group, trigger guard and grip. Start your next AR build off right with solid components from RISE Armament. Get a RISE Armament Lower Parts Kit.