Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The Polymer80 AR-15 80% Lower Receiver with Jig Kit lets you build your dream AR-15 without an FFL transfer. This complete kit includes everything you need to finish your lower receiver. Available now for $159.00 with same-day shipping from our Kansas warehouse.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
Polymer80 AR-15 80% Lower Receiver Specifications
| Product Type | 80% Lower Receiver with Jig Kit |
|---|---|
| Material | High-strength polymer |
| Manufacturing | Injection molded |
| Finish | Matte black |
| Hardness/Quality | Mil-spec reinforced polymer |
| Compatibility | Standard AR-15 parts kits |
| Installation/Usage | Requires milling/drilling |
| Weight | 8.2 oz |
| Dimensions | 7.5″ x 2.5″ x 5.25″ |
| Country of Origin | USA |
| Condition | New |
| SKU | P80-G150-KIT |
Key Features
- Complete kit includes jig, drill bits, and end mill
- No FFL transfer required (not a firearm until completed)
- Reinforced polymer construction with steel inserts
- Compatible with standard AR-15 parts kits
- Includes detailed step-by-step instructions
Who Should Buy This
Buy it if:
- You want to build an AR-15 without paperwork
- You enjoy DIY gunsmithing projects
- You prefer polymer lowers for weight savings
- You want an affordable entry into AR building
Skip it if:
- You prefer aluminum lowers (see our metal lower receivers)
- You don’t have access to basic tools (drill press recommended)
- You need a complete lower ready to use
Pros & Cons
✅ Complete kit with all necessary components
✅ No FFL paperwork required
✅ Lightweight polymer construction
✅ Affordable way to build an AR-15
✅ Made in USA
❌ Requires tools and some mechanical skill
❌ Not as durable as aluminum receivers
How It Compares
| Feature | Polymer80 | Cheap Import | Premium Aluminum |
|---|---|---|---|
| Material | Reinforced polymer | Basic polymer | 7075-T6 aluminum |
| Quality | Mil-spec | Questionable | High-end |
| Compatibility | Standard AR parts | May need fitting | Perfect fit |
| Shipping | Same-day US | Slow boat | Varies |
| Lifespan | 3,000+ rounds | Unproven | 10,000+ rounds |
| Price | $159 | $60-80 | $250+ |
Frequently Asked Questions
Where can I buy Polymer80 AR-15 80% lower receivers online?
Kansas Gunshop (kansas-gunshop.com) carries the complete Polymer80 AR-15 80% lower receiver with jig kit in stock with same-day shipping from Wichita, KS.
What tools do I need to complete this lower?
You’ll need a drill press (recommended) or hand drill, vise, and basic shop tools. The kit includes the jig, drill bits, and end mill.
Is this legal in my state?
80% lowers are legal in most states, but some have restrictions. Check your local laws before ordering.
How durable are polymer lowers?
Polymer80’s reinforced design handles 3,000+ rounds with proper installation. For heavy use, consider our aluminum lowers.
Does this require an FFL transfer?
No – 80% lowers aren’t considered firearms until completed, so no FFL is needed.
What’s included in the kit?
You get the 80% lower receiver, jig, drill bits, end mill, and instructions.
Can I return this if I mess up the build?
We offer 30-day returns on unused items, but once milled, it’s yours.
✅ In stock — ready to ship today
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: AR-15 Lower Receivers | Full Shop
About this review: Written by Derek, Kansas-licensed FFL dealer with hands-on experience building with Polymer80 lowers since 2016.
Last updated: April 2026
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