Aero Precision Gen 2 STS15 (Short Throw Safety) Pistol lower SBA3 Multi Cal G2 AR15 5.56

The STS (Short Throw Safety) AR15 Stripped Lower Receiver is the perfect lower to start your build. Custom designed markings accept short-throw safety selectors while maintaining mil-spec dimensions and correct component interface. Selector markings will work with 45, 60 or 90 degree safety selectors. STS lowers are marked and milled to accept short-throw safety selectors, but will work with standard selectors as well. Rear takedown pin detent hole is threaded for a 4-40 set screw. Works with standard AR15 components and magazines. Made in the USA.

Please allow 2-4 business days for coatings items to ship once payment and FFL are received.

FFL's can be emailed, or mailed to us. Please reference your name and the item number to prevent any delays in shipping.

Long guns and accessories ship UPS Ground. Handguns are shipped USPS priority mail.

Once payment and FFL are received we will email you a tracking/delivery confirmation number.

NO CREDIT CARD FEES!

Serial numbers will vary.