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Aero Precision STS15 AR-15 Stripped Lower Receiver Multi Caliber Marked Short Throw Safety 7075-T6 Aluminum FDE

Aero Precision
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Can we ship this to you?
Typically ships within 1 to 2 business days when a valid FFL is received
  • All firearm sales are final. NO RETURNS.
  • Return to manufacturer for warranty service.
  • Actual buyer must pickup from FFL dealer who will conduct the background check. Learn more
  • Firearm transfer must be the actual transferee/buyer. Click here to see BATFE form "Transaction Record Part 1".
  • Firearms are only available for purchase online.
A $10 handling fee will be charged per order. No additional charge for multiple firearms on an order.

Flat Dark Earth STS Lower Receiver

Aero Precision uses superb engineering to bring you a fantastic lower receiver for that that AR-15 build you've been wanting. Milled and marked for Short Throw Safety levers, this AR-15 Stripped Lower Receiver will also readily accept the standard mil-spec safety lever as well. Aero uses the best materials and state-of-the-art craftsmanship to give you the most exacting and tightest tolerances. This lower is "CAL MULTI" marked, so it can be used to build any standard AR caliber firearm including, .22 LR, 5.56 NATO, .223 Rem, .300 BLK, or 6.8 SPC. It has a durable Cerakote FDE finish and the rear takedown pin hole is threaded for a 4-40 set screw. If you're in the market for an affordable rock solid AR-15 lower receiver to start your next build, Aero Precision is what you need.

Aero Precision uses cutting edge technologies and the most advanced engineering available to produce every component they build. Superior rifles, receivers and parts are all crafted with razor thin tolerances and Mil-spec standards to ensure you receive the best possible product. Pushing the boundaries of innovation and engineering with perfection in manufacturing, Aero Precision is constantly evolving and developing existing processes. When you need flawless performance and "just as good as" just isn't good enough, you need Aero Precision!

Aero Precision STS15 Stripped Lower Specifications and Features:

  • Aero Item Number: APAR501201C
  • AR-15 Multi Caliber Stripped Lower Receiver
  • Caliber: .223/5.56, .300 BLK, 6.5mm Grendel, 7.62x39mm
  • Machined 7075-T6 Forged Aluminum
  • "Cal Multi" Markings
  • Designed for Short Throw Safety Levers
  • Mil-Spec Component Com patible
  • Uses Standard AR-15 Pattern Magazines
  • Rear Takedown Pin Detent Threaded for 4-40 Set Screw
  • Cerakote Flat Dark Earth Finish
  • Weight: 8.35 oz
  • Made In The USA

Buying a Firearm Online is Easy!
  • Add your selected firearm(s) to your shopping cart and check out.
  • Select a local Federal Firearms Licensed (FFL) Dealer that will accept the firearm and complete the transfer. Find a FFL Dealer HERE.
  • If you choose an FFL Dealer that is not on our preferred list, you or your FFL Dealer will be required to fax or email us a signed copy of the Federal Firearms License referencing your Cheaper Than Dirt! order number. Download the Firearm Sales Form
  • Pick up your firearm from the FFL Dealer, who will need to do a criminal and mental health background check. Transfer fees may apply.
Buying Firearms on the Internet

Federal law requires firearms to be shipped to FFL Dealers. For an individual to receive a firearm from Cheaper Than Dirt! it must be shipped to an FFL Dealer in your state.

Locating a Federal-Firearm License Dealer (FFL) in Your Area

There are thousands of FFL Dealers in the United States. You may choose an FFL Dealer from our preferred listing or you may find a dealer in your area. To find a list of FFL Dealers in your area area CLICK HERE. If you choose a dealer that is not on our preferred list, either you or the FFL Dealer will be required to submit a copy of the Federal Firearms License referencing your Cheaper Than Dirt! order number. The FFL Dealer will usually charge a fee to conduct the transfer. There are duties that the FFL Dealer is required to do during the process which include a criminal and mental health background check through NICS. Remember, the FFL Dealer is doing you a favor and the process takes time to complete. Fees can vary so check with the FFL Dealer ahead of time to request a quote on the fees associated with your firearm transfer. The FFL Dealer is in business to make a profit and your internet purchase may be viewed as competition to their retail business. If you feel the fees are too high, you can search for another FFL Dealer.

Completing the Transaction

Once you place the firearm in your cart and checkout you will receive a confirmation email that has your order number and further instructions. We will verify the FFL license and also make the FFL Dealer aware that an order from Cheaper Than Dirt! will soon be arriving for you. Most orders are processed within 2-3 business days from the time we receive and verify the FFL Dealers information. Once shipped, your firearm will arrive at the FFL Dealer within 3-7 days business days. The FFL Dealer will begin processing the shipment. It may be an additional day or so before the FFL Dealer is ready to conduct the transfer of the firearm to you. Call the FFL Dealer and set an appointment to confirm that the firearm is ready to be transferred.

Please note! All Firearm Sales are Final

It is important to thoroughly inspect your firearm before completion of the transfer. Once the firearm is transferred into your name, Cheaper Than Dirt! will not accept a return or exchange under any circumstance. If a defect is discovered after completing the transfer, you must contact the manufacturer directly for repair or replacement.