RL556v3 AR-15 80% Lower and Jig Kit
SKUPFR-7465
$121.25 $103.06
About this product
Built for mil-spec AR-15 uppers, lower parts kits and buffer tubes: the RL556v3 accepts those slides and parts once the receiver is finished, and runs STANAG AR-15 magazines. Polymer80 Frames stocks the RL556v3 with its jig and lists it next to the other families so the size comparison is one glance.
Threadless pistol grip design specific to Polymer80 lowers; the buffer tube housing is reinforced. What ships: RL556v3 80% AR-15 lower receiver with solid core and flared magwell, polymer jig, trigger-hole drill guide, drill bits, end mill.
Sold as an unfinished frame or receiver. Check your state and local law before ordering; we do not ship where unserialized frames are prohibited.
Specs at a glance
Specifications
| Brand | Polymer80 |
| Fits | mil-spec AR-15 uppers, lower parts kits and buffer tubes |
| Magazines | STANAG AR-15 magazines |
| Color options | Black / FDE / Gray / OD Green |
What's in the box
- RL556v3 AR-15 80% Lower and Jig Kit
Sources & methodology.
Editorial review and rating by
Staff Writer
based on hands-on testing notes and published vendor specifications.
Pricing verified at time of publication.
$121.25 $103.06