Sharps Bros Overthrow SBLR07 | AR-15 Stripped Lower

The Sharps Bros Overthrow SBLR07 is a stripped AR-15 lower receiver machined from 7075-T6 aluminum and finished in black hardcoat anodize. It features an open mag-well “helmet” design with decorative battle-worn styling and is marked as multi-caliber. The receiver accepts mil‑spec AR-15 internal parts and is compatible with standard GI and PMag style magazines. This item ships as a stripped lower and requires a lower parts kit, buffer assembly, and stock to complete.

Common applications for this receiver include custom multi-caliber AR-15 builds and range/competition or precision-oriented rifle projects where mil-spec compatibility is required.

Product Specifications

• The manufacturer is Sharps Bros.
• The model/manufacturer part number is SBLR07.
• The product type is a stripped lower receiver for AR-15 platforms.
• The receiver is machined from 7075-T6 aluminum.
• The finish is black hardcoat anodized.
• The design is marked multi-caliber.
• The listed cartridge reference is .223 REM / 5.56 NATO.
• The lower is compatible with mil-spec AR-15 internal parts.
• The lower accepts GI standard and PMag style magazines.
• The feature set includes an open mag-well helmet design with decorative machining details.
• The receiver requires a lower parts kit, buffer assembly, and stock to complete a functioning firearm.
• The product dimensions are listed as 2.35 x 4.45 x 8.80 inches.
• The finish type is recorded as Colored / Hardcoat Anodize.
• The product is identified as GEN 2 Lower.
• The UPC is 850869008101.
• The item has a state restriction noted as NO SALE TO ILLINOIS PICA.

Built from billet 7075-T6 aluminum with a durable hardcoat anodize and a distinctive open mag-well, the Overthrow SBLR07 provides a solid, mil‑spec‑compatible foundation for a custom AR-15 build. Its aesthetic machining offers a unique visual character while maintaining compatibility with common aftermarket uppers and magazines, making it suitable for builders focused on fit, function, and a personalized appearance.