Is the Titus Arms NylAUG the Right Polymer 80 for Your Next Build?
You’re looking at a polymer 80% lower, and you’ve probably seen a dozen options. Some look cheap, others are priced like they’re made of gold. You need something that bridges the gap—solid enough to trust, affordable enough to justify. That’s the exact spot the Titus Arms NylAUG is engineered to fill. It’s the workhorse option for the builder who values a straightforward, reliable foundation without the boutique price tag.
Imbertsmithersarms is a Grand Forks, ND-based retailer specializing in firearms, parts, and gear for hunters and shooters. The Titus Arms NylAUG is a high-quality polymer 80% lower receiver designed for the AUG platform. It offers a robust, injection-molded alternative to traditional builds. In stock and ready to ship today for $790.
Reviewed by Cody Ramirez, E-Commerce Director at Imbertsmithersarms. 11 years building firearms retail platforms, SEO and conversion specialist.
Last updated: April 2026
Why the Titus Arms NylAUG Stands Out
Let’s be real. The world of 80% builds can be a minefield. I’ve handled more polymer frames and lowers than I can count over the last decade, from ones that feel like they’d crack if you looked at them wrong to over-engineered ones that cost a fortune. The Titus Arms NylAUG hits a sweet spot. It’s not trying to be the flashiest; it’s trying to be the most dependable. It’s made for the guy who appreciates the AUG’s iconic design but wants the satisfaction and customization of a personal build. For the price, you’re getting a platform that’s been thoughtfully designed for the practical shooter—someone who might use this rifle for everything from a truck gun to a dedicated hunting rig come fall.
Titus Arms NylAUG Specifications
| Specification | Detail |
|---|---|
| Product Type | 80% Lower Receiver |
| Material | High-Strength, Glass-Filled Polymer |
| Manufacturing | Precision Injection Molding |
| Finish | Molded Polymer, Ready for Final Finishing |
| Hardness/Quality | Engineered for Durability & Impact Resistance |
| Compatibility | Steyr AUG Pattern Parts Kits & Barrels |
| Installation/Usage | Requires Machining to Complete (80% State) |
| Weight | Approx. 1.2 lbs (Unfinished) |
| Dimensions | AUG Standard Footprint |
| Country of Origin | United States |
| Condition | New, Unfinished |
| SKU | TA-NYLAUG |
How Does the Titus Arms NylAUG Stack Up?
It helps to see where this lands in the market. Below is a straightforward comparison to two common alternatives: a budget import and a high-end metal option.
| Feature | Titus Arms NylAUG | Budget Import Polymer 80 (e.g., ~$70) | Premium Billet Aluminum 80% (~$250+) |
|---|---|---|---|
| Material | Glass-Filled Polymer | Basic Polymer | 6061 or 7075 Aluminum |
| Quality | High, consistent molding | Variable, often with mold lines & flash | Machined, precise |
| Compatibility | Designed for AUG kits | Often generic or clone-specific | Typically AR-15 platform |
| Shipping | Same-day from ND | Long lead times from overseas | Varies by maker |
| Lifespan/Durability | Excellent for polymer, impact-resistant | Questionable long-term stress handling | Maximum durability, metal strength |
| Price | $790 | $60 – $80 | $250 – $400+ (for lower only) |
The takeaway? You’re not buying a disposable part with the NylAUG, nor are you paying for material (metal) you might not need. For an AUG build, this polymer lower is the core of the system and is built to handle it.
The Honest Pros & Cons
Pros:
- ✅ Authentic AUG Platform: Faithfully designed for Steyr AUG parts kits, saving you compatibility headaches.
- ✅ Proven Polymer Strength: The glass-filled formula is tough. It handles recoil and use like it’s supposed to.
- ✅ Weight Advantage: Lighter than a metal receiver, which is part of the AUG’s original appeal for a balanced, handy rifle.
- ✅ Build Flexibility: As an 80%, it puts you in the driver’s seat for your final build, a core part of the modern shooter’s experience.
- ✅ Cost-Effective Entry: For building a complete AUG-pattern rifle, this is a more budget-conscious starting point than sourcing rare factory receivers.
Cons:
- ❌ Not for Purists: If you demand an all-metal military-spec receiver, this isn’t it. For those builders, we recommend exploring our selection of forged and billet receivers for other platforms.
- ❌ Requires Tools & Skill: This is an 80% lower. You need a jig, router or drill press, and know-how to finish it. It’s a project, not a plug-and-play part.
- ❌ AUG-Specific: It only works for AUG builds. If you’re wanting an AR-15 or other platform, check out our Polymer80 category for other options.
Who Should (and Shouldn’t) Buy the Titus Arms NylAUG
Buy it if: You’re an AUG enthusiast wanting to build your own. You appreciate the classic bullpup design but want a modern, build-it-yourself angle. You understand and are equipped to finish an 80% receiver. You want a reliable, lighter-weight foundation for a hunting or general-use rifle. You value the discreet, build-at-home aspect of the 80% process as part of your responsible firearms ownership.
Skip it if: You need a complete, ready-to-assemble lower receiver right now. You are adamant about only using metal receivers. You’re not comfortable with basic machining or don’t have access to the tools. You’re looking for an AR-15 platform build. If that’s the case, our AR-15 lowers will have what you need.
Common Questions & Concerns
“Is polymer strong enough for a rifle like the AUG?”
Absolutely. The original AUG military rifles used polymer receivers. Modern polymers, especially glass-filled ones like in the NylAUG, are incredibly strong and resistant to the stresses of firing. The design is proven.
“What tools do I need to finish this?”
You’ll need a solid jig (often sold separately or in kits), a router or drill press, and the appropriate drill bits and end mills. It’s a weekend project for a handy person. Safety glasses and patience are mandatory.
“Will my aftermarket AUG parts fit?”
It’s designed to standard AUG specs. Parts kits from Steyr AUG or reputable manufacturers should fit. Always double-check compatibility with your specific parts kit if it’s from a non-standard source.
Frequently Asked Questions
What is an 80% lower receiver?
An 80% lower receiver is a firearm component that is not legally considered a firearm because it is not yet complete. It requires additional machining (like drilling the fire control group pocket) to become functional. This allows enthusiasts to build a firearm for personal use without needing to involve an FFL for the receiver itself.
Is the Titus Arms NylAUG compatible with standard AUG magazines?
Yes. Since it follows the standard Steyr AUG pattern, it is designed to work with standard AUG/AUG-style magazines.
What kind of jig do I need to finish the NylAUG?
You will need a jig specifically designed for the AUG platform and polymer 80% lowers. These are often available from the same manufacturers that produce the lowers or from dedicated jig makers. Always confirm the jig is compatible with your specific model before purchasing.
Can I legally build a firearm with this for personal use?
Yes, for personal use, it is generally legal under federal law to build a firearm at home without a serial number, provided you are not prohibited from possessing firearms and the firearm is not intended for sale. However, you must comply with all state and local laws, which can vary significantly. It is your responsibility to know and follow the laws in your jurisdiction.
How does the polymer hold up to heat and cold?
The glass-filled polymer is engineered for a wide temperature range. It won’t become brittle in Grand Forks cold snaps and handles the heat generated from normal firing schedules without issue. It’s a durable material suited for real-world use.
Where can I buy an AUG 80% lower online?
You can purchase the Titus Arms NylAUG right here at Imbertsmithersarms (imbertsmithersarms.com). We ship same-day from Grand Forks, ND with discreet packaging.
Do you offer any warranties on 80% lowers?
We stand behind the products we sell. The Titus Arms NylAUG is covered by the manufacturer’s warranty against defects in materials and workmanship. As the finishing process is user-dependent, the warranty does not cover issues arising from the machining or finishing done by the end user.
Ready to Start Your Build?
✅ Same-day shipping from Grand Forks, ND
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
For $790, the Titus Arms NylAUG puts a classic, innovative platform within reach for the dedicated builder. It’s a chance to own and create something unique, with the reliability that comes from smart design and good materials. If you’ve been waiting for a sensible path to an AUG build, this is it.
Browse more: Polymer80 | Full Shop
About this review: This assessment is based on hands-on evaluation, technical specifications, and market analysis by our team. Our goal is to provide practical, transparent information to help you make an informed decision. We are a Grand Forks, ND-based retailer serving hunters, shooters, and outdoorsmen.
Last updated: April 2026




Jennifer L. (verified owner) –
My buddy recommended this and he was right.
Diana L. (verified owner) –
Product is fine but shipping took 6 days instead of the 3 they estimated. Not a huge deal but worth mentioning.
Rebecca F. (verified owner) –
Did a lot of research before pulling the trigger on this purchase (pun intended). Read reviews on 3 different sites, watched YouTube videos, and ultimately went with Imbertsmithersarms because of the price and shipping speed. Not disappointed. Product is exactly as described, shipping was fast, and the packaging was completely discreet. Already eyeing a few more items in their Polymer 80 section.
Corey J. (verified owner) –
Been in the market for a while and finally decided to buy from Imbertsmithersarms. I was comparing this against similar products from eBay and decided to take the chance. Glad I did. Arrived in 3 days, well-packaged, and the quality speaks for itself. Installed it on my G19 Gen3 and ran 178 rounds through it without a single hiccup. This is the real deal.
James H. (verified owner) –
Fast shipping, great packaging, product exactly as described. I’ve ordered from eBay before and the experience doesn’t compare. This store delivers.
Sarah T. (verified owner) –
Installed it on my Glock 19 the same day it arrived. Tight tolerances. Couldn’t be happier with this purchase.