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Polymer80 RL556V3 - RHINO 80% AR15 Lower Receiver with Jig

Out of Stock

Want an affordable 80%-lower-and-jig combo? Check out the Polymer80 "RHINO" AR-15 lower receiver blank, which includes its own jig! Available in black, Flat Dark Earth, or Ghost Gray, this polymer AR-15 80% lower makes cutting and drilling a little bit easier for beginner builders. The finished AR stripped lower is incredibly lightweight but tough, making it great for ultra-light AR builds.

"Rhino" 80% Lower Features:

  • Made from weapons-grade polymer
  • Accepts standard AR-15 lower parts kits
  • Compatible with standard AR-15 uppers
  • Compatible with mil-spec buffer tube kits
  • Integrated trigger guard for added strength
  • Flared mag well for quick n' easy reloads

RL556v3 "Rhino" 80% Jig Features:

  • Reinforced polymer 80% lower jig
  • Capable of fabricating the "Rhino" AR 80% lower
  • Also works with billet and forged AR 80% lowers
  • Includes drill bits for completing receiver pin holes
  • Provides guides for cutting fire control cavity


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Shipping Restrictions

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. only ships within the United States. Federal legislation dictates we cannot ship our products internationally.

.223 Wylde
Polymer Composite

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.