RL556v3 80% AR15 Lower – Black
Buy the Polymer80 RL556v3 RHINO 80% AR-15 Lower in Black – The #1 Selling Forged 80% Lower of 2025
The RL556v3 RHINO Black is the exact same legendary forged 7075-T6 lower that has finished more custom rifles than every other brand combined — now available standalone in the most popular finish: Type III hardcoat black anodized.
Every black RL556v3 lower features:
- Forged 7075-T6 aerospace-grade aluminum (30–40% stronger than 6061)
- Threaded bolt catch pin hole (1/4-28 – no roll pin ever again)
- Fully broached & slightly flared magwell for flawless PMAG/STANAG feeding
- Deep laser-engraved FIRE / SAFE markings that survive thick Cerakote
- Integrated oversized trigger guard
- Pre-drilled takedown/pivot pin holes & threaded buffer tube extension
- Type III hardcoat black anodized (mil-spec perfect factory look)
No jig included — perfect for builders who already own an Easy Jig Gen 3 or just want the strongest, best-looking black 80% lower at the lowest price ever.
Why the Black RL556v3 Is the Most Wanted 80% Lower in 2025
| Feature | P80 RL556v3 Black | Typical 80% Lower |
|---|---|---|
| Material | Forged 7075-T6 | Often 6061 billet or polymer |
| Bolt Catch | Threaded 1/4-28 | Roll pin |
| Finish | Type III hardcoat black | Raw or cheap anodizing |
| Engraving Depth | Deep laser – survives Cerakote | Usually shallow |
| Price (black lower only) | Lowest ever | Usually $30–$50 more |
Complete 2025 Specifications
| Specification | Detail |
|---|---|
| Material | Forged 7075-T6 Aluminum |
| Finish | Type III Hardcoat Black Anodized |
| Weight (unfinished) | 8.5 oz |
| Safety Markings | Deep Laser Engraved FIRE / SAFE |
| Magwell | Fully Broached & Flared |
| Bolt Catch | Threaded 1/4-28 (no roll pin) |
| Buffer Thread | 1-3/16″ × 16 TPI mil-spec |
| Trigger Guard | Integrated oversized |
| Recommended Jigs | Easy Jig Gen 3, 5D Tactical, Modulus Arms |
| Made In | United States |
Real 2025 Customer Reviews “Black anodized RL556v3 looks 100% factory. Fit my Aero M4E1 upper with zero gap. Threaded bolt catch is life.” – Mike R., Texas “Bought eight black lowers — already finished five. Deep markings still perfect after 0.004″ of Cerakote on the last one.” – Sarah K., Arizona “Forged 7075 black for this price? I just ordered another ten.” – Chris T., Florida
Frequently Asked Questions – RL556v3 Black Q: Same as the raw version? A: 100% identical forging — just finished in Type III black anodizing.
Q: Will it match my factory upper? A: Yes — mil-spec black matches Aero, BCM, PSA, etc. perfectly.
Q: Serialized? A: No — legally a non-firearm until you finish it.
These Sell Out Faster Than Raw Black RL556v3 drops are gone within hours — often in under 60 minutes.
Grab your Polymer80 RL556v3 RHINO 80% AR-15 Lower in Black now — the strongest, best-looking black 80% lower ever made — before the batch disappears.
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