The RL556v3™ features Polymer80's proprietary polymer composite, a solid core design, flared magwell, and heavier mil-spec buffer tube housing. The pistol grip area features a unique threadless design specific to Polymer80 rifle lowers.

The kit includes:

Please note:

Some states may not allow you to legally manufacture a firearm without a serial number (like the state of NJ and Washington DC).

Please be sure to do your due diligence and make sure you are following your state and local laws before attempting to manufacture a firearm.