Ironcrest lower, machined in our shop and cut for full ambidextrous controls.
Installed: ambi safety selector, ambi magazine release, ambi bolt release, pins, springs, detents, trigger guard and buffer tube kit. Add your trigger, grip, stock, buffer and spring.
Every lower is pin-gauged and test-fit to an upper. All three ambi controls are cycled and a magazine drop is checked from both sides.
Limited lifetime warranty on the Ironcrest receiver, transferable and claimed by serial number.