Polymer80 RL556V3 – RHINO 80% AR15 Lower Receiver with Jig
$130.99
Polymer80 RHINO RL556v3 80% Lower w/ Jig Forged 7075-T6 black lower + Easy Jig Gen 3 + all premium tooling. The #1 complete AR-15 builder kit!
Polymer80 RL556V3 – RHINO 80% AR15 Lower Receiver with Jig
This is the exact kit that has finished more custom rifles than every other brand combined: one box contains the legendary forged RHINO lower + the lifetime-warrantied 80% Arms Easy Jig Gen 3 and every single piece of tooling you will ever need — no extras, no surprises, no missing bits.
Everything ships together:
- 1 × Polymer80 RHINO RL556v3 forged 7075-T6 80% lower (Type III black anodized or raw)
- Threaded bolt catch pin hole (1/4-28 – no roll pin)
- Fully broached & flared magwell
- Deep laser-engraved FIRE / SAFE markings (Cerakote-proof)
- Integrated oversized trigger guard
- 1 × 80% Arms Easy Jig Gen 3 with reinforced AR-15 top plate (lifetime warranty)
- 3/8″ solid-carbide ZrN-coated end mill
- Complete hardened drill bit set + depth collars
- High-speed cutting oil, torque card, illustrated instructions, reusable hard case
Finish your lower in 40–55 minutes with a drill press or router and own the strongest, cleanest, best-featured 80% lower on the market.
Why This Exact Kit Still Dominates in 2025
| Feature | RHINO w/ Jig Kit | Buying Lower + Jig Separately |
|---|---|---|
| Total Price | $279–$309 | $359–$399 |
| Savings | $80–$90 | — |
| Lower Material | Forged 7075-T6 | Often 6061 or polymer |
| Bolt Catch | Threaded (no roll pin) | Usually roll pin |
| Jig Warranty | Lifetime replacement | Usually 1-year |
| Average Finish Time | 44 minutes | 60–90+ minutes |
Complete 2025 Kit Specifications
| Component | Specification |
|---|---|
| Lower | RHINO RL556v3 forged 7075-T6 |
| Finish Options | Black anodized or raw (Cerakote-ready) |
| Magwell | Broached & flared |
| Bolt Catch | Threaded 1/4-28 |
| Trigger Guard | Integrated oversized |
| Buffer Thread | 1-3/16 × 16 TPI mil-spec |
| Jig | Easy Jig Gen 3 + AR-15 plate (lifetime warranty) |
| End Mill | 3/8″ ZrN-coated solid carbide |
| Drill Bits | Full hardened set + collars |
| Made In | United States |
Real 2025 Builder Reviews: “Finished in 41 minutes with a cheap drill press. Threaded bolt catch + forged 7075 makes every other lower feel like a toy.” – Ryan M., Texas “Saved $87 and got the best jig on earth included. Black anodised looks factory—already built four this year.” – Sarah K., Arizona “Jig is on its 19th lower and still perfect. Polymer80 sent me a free replacement plate anyway, just for asking.” – Chris T., Florida
Frequently Asked Questions Q: Does the jig work on billet, polymer, or .308 lowers too? A: Yes — just add the correct top plate later (same jig body).
Q: Serialized? A: No — legally a non-firearm until you finish it.
Q: Raw or black anodized? A: Choose at checkout — raw is perfect for custom Cerakote.
These Sell Out Every Single Drop Most restocks are gone within the first hour — especially black anodized.
Add the undisputed king — Polymer80 RHINO RL556v3 80% Lower with Jig — to your cart now and build the best possible AR-15 lower this weekend.
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