80% Lower Fire/Safe Marked – Raw

Buy Polymer80 AR-15 80% Lower Fire/Safe Marked – Raw: The Perfect Blank Canvas for Fully Custom AR-15 Builds in 2025

If you want an AR-15 that’s 100% yours — from the colorway to the engravings — the Polymer80 AR-15 80% lower fire/safe marked raw is the undisputed starting point in 2025. Forged from certified 7075-T6 aerospace aluminum and left completely raw (no anodizing), this receiver arrives with crisp, deep-laser-engraved “FIRE / SAFE” markings that survive Cerakote, Duracoat, or even hydro-dipping without fading. You get mil-spec compatibility, legendary Polymer80 fitment, and total creative freedom — all while staying 100% ATF-compliant as a non-firearm until you finish it yourself.

At just 8.4 oz unfinished, this raw 80% AR-15 lower with fire safe markings features a fully broached magwell, pre-drilled pivot/takedown holes, threaded buffer tube housing, and integrated trigger guard mounts — everything you expect from a premium blank, but stripped of any finish so you can make it uniquely yours. Whether you’re building a burnt-bronze battle rifle, a Tiffany-blue trainer, or a multicam masterpiece, this is the lower trusted by thousands of builders and custom coaters nationwide. In stock now at Polymer80 USA — same-day discreet shipping, jig bundles available.

What Exactly Is the Polymer80 AR-15 80% Lower Fire/Safe Marked – Raw?

It’s a forged 7075-T6 aluminum receiver that is legally 80% complete: the fire-control pocket is drilled to exact depth but the side walls remain solid, requiring your final milling to become a firearm. The “raw” designation means no anodizing or coating has been applied after forging and machining — giving you a pristine, bare-metal surface perfect for professional Cerakote, Duracoat, anodizing, laser engraving, or even hand-stippling. The deep-laser “FIRE / SAFE” markings are etched before any finish is applied, ensuring they stay razor-sharp and compliant-looking no matter what color you choose.

Key Features That Make This the #1 Raw 80% Lower in 2025

• 7075-T6 Forged Aluminum – 30–40% stronger than 6061 blanks; zero forging seams or voids
• Deep Laser-Engraved FIRE / SAFE Markings – Cut deep enough to survive 0.002–0.003″ of Cerakote without ghosting
• Fully Broached Magwell – Accepts every STANAG, PMAG, Lancer, and Hexmag on the market
• Threaded Bolt Catch Pin Hole – No crushed roll pins ever again
• Pre-Drilled & Reamed Pivot/Takedown Holes – Drop-in perfect every time
• Integrated Trigger Guard Ears – Ready for Magpul enhanced or standard guards
• Raw Finish – Zero anodizing means flawless adhesion for any coating system

Complete 2025 Technical Specifications

Why Builders Choose the Raw Fire/Safe Marked Version in 2025

1. Custom Coating Perfection – Cerakote and Duracoat shops universally prefer raw receivers; no stripping required
2. Deep Engraving Survives Coating – Unlike surface-etched lowers, these markings stay visible under thick Cerakote layers
3. Best Value – Same forged 7075-T6 core as $180+ billet lowers, but priced for the everyday builder
4. Compliance Ready – “FIRE / SAFE” already done correctly — no guessing on placement or depth

How to Finish It – Most Builders Are Done in 45–75 Minutes

Use any modern jig (Easy Jig Gen 3 is the community favorite):

1. Clamp receiver in jig
2. Drill trigger, hammer, and selector holes to final size
3. Mill side walls and fire-control pocket
4. Deburr and send to your favorite coater

Pro tip: Many shops offer “mill + Cerakote” packages for $199–250 total when you supply this exact raw lower.

Packaging, Storage & Shipping

• Ships in anti-static foam with desiccant and protective film over engravings
• Raw aluminum is wrapped to prevent scratches in transit
• Discreet unmarked boxes, same-day shipping (orders before 3 PM EST)
• Free shipping over $149 · Full insurance · Adult signature required

Safety & Legal Notes

• Legally a non-firearm until you complete milling (ATF 2025 compliant)
• 18+ with valid ID · Ships direct in legal states
• Auto-blocked in CA, CT, DC, DE, HI, IL, NJ, NY, RI, WA, etc.
• Personal-use only — no resale until serialized

Real 2025 Customer Reviews

“Sent it straight to Cerakote — the deep FIRE/SAFE markings still pop perfectly under Graphite Black + FDE. Best raw lower on the market.” – Mike T., Arizona (5/5) “Milled in 52 minutes with Easy Jig Gen 3. Engraving depth is insane — survived two coats of Cerakote Elite without fading.” – Sarah K., Florida “Matched my BCM upper perfectly after coating. Zero fitment issues after 3,000 rounds.” – 3-Gun Competitor, Texas

Frequently Asked Questions – Raw Fire/Safe Marked 80% Lower

Q: Will the engravings disappear under Cerakote? A: No — they’re laser-etched deep enough to survive 0.003″ of coating.

Q: Can I anodize it myself after milling? A: Absolutely — many builders home-anodize raw lowers with Caswell kits.

Q: Is it compatible with 9mm or .22LR conversions? A: 100% — just use the correct magwell block or dedicated 9mm lower parts kit.

Q: Does raw aluminum corrode quickly? A: Only surface oxidation (looks like light chalk) — easily removed before coating.

Grab Yours Before the Next Batch Sells Out

These raw fire/safe marked lowers routinely sell out in under 48 hours. If you see “In Stock”, don’t wait.

Add the legendary Polymer80 AR-15 80% lower fire/safe marked raw to your cart now — and build the custom rifle the internet will envy.