Keep your AR build "light in the lower" while retaining its strength and integrity with the RL556v3 by Polymer80. This polymer made 80% lower receiver features a solid core design, flared magwell, and beefier mil-spec buffer tube housing to ensure your AR can take everyday wear and tear.
For instructions on using the 80% Lower Receiver Jig, click here.
The RL556v3 Kit Includes:
- 80% Polymer AR15 Lower Receiver (Mil-spec)
- Polymer Jig
- Trigger Hole Drill Guide
- Drill Bits and End Mill
Why a Polymer AR-15 80% Lower?
Polymer 80% lowers have been well-tested and proven among the AR-15 and 80% lower community. This ultralight lower affords the same ruggedness as any aluminum lower, yet its construction also affords many unique benefits.
If you’re nervous about machining an 80% lower, this polymer lower will be the perfect way to ease into the practice. Polymer is incredibly simple to drill and mill, and the material is forgiving.
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.