Complete 15 Carbon Fiber In Stock: 1 Starting at: $139.99 Complete Polymer Lower with 6Position Adjustable Stock and Lower Parts installed. Comes standard with our single stage trigger. Carbon Fiber reinforced lower We offer several upgrades to your build. Triggers Available: Aftermarket Triggers Installed Select + $185.00- Geissele 2 Stage + $0.00- No Upgrade + $250.00- Geissele Super 3 Gun + $14.99- Anti Walk Trigger/Hammer Pins + $8.99- Extended Magazine Release Button Stock Available: If you simply need a stock or buffer upgrade with or without other add-ons add them below Stock and Pistol Grip Sets or Buffer Tube Only with No Stock Select + $89.99- Magpul Upgrade + $0.00- No Stock Upgrade + $0.00- Standard Complete Lower Add 1 to Cart If you need more than one add them in the cart and get a discount The TNARMSCO Polymer AR15 lower receiver with six position adjustable stock. This lightweight yet durable lower receiver is made from high-grade polymer and features a six position adjustable stock for a customized fit. This receiver is assembled using our very strong very light carbon fiber filled material. This is our original product design and has been on the market for almost 10 years and tens of thousands of lowers on the market. The TNARMSCO lower receiver is matched with a 6 position Black shoulder stock with a mil-spec diameter buffer tube. The Lower Parts Kit installed includes the factory single-stage trigger. As our signature product this Complete Lower has had years and thousands of customers. Here are a few of the Lower Receiver pics we have received over the years. Reviews Quick Note: We have just moved over to this website and have not moved the reviews over just yet. Hang tight Ill get it finished shortly! Sorry for the inconvenience...