Lantac SF15 USR Forged Upper & Lower Set

The Lantac SF15 USR is a forged upper and lower receiver set designed as a high-quality starting point for an AR-15 build. The upper features an integral Picatinny rail and common control features to support a range of optics and accessories. The lower includes ergonomic enhancements such as a flared magwell and a tension screw for a secure fit with the upper.

Key Specifications

• Lantac USA is listed as the manufacturer of this upper and lower receiver set.
• The model/series is identified as LA-SF15 in the manufacturer description.
• This listing is for an upper and lower receiver set in a black finish.
• The upper includes a Picatinny rail for mounting optics and accessories.
• The upper is described as precision machined to ensure alignment and fit with the lower.
• The upper also includes a forward assist and dust cover for standard AR-15 control functionality.
• The lower features a flared magwell to assist with faster magazine changes.
• The lower includes a tension screw to help ensure a snug fit with the upper receiver.
• The lower is compatible with standard AR-15 parts and accessories for customization.
• Product attributes list a weight figure of 1.4 and a shipping weight of 1.4 (unit not specified in source data).

This forged upper and lower set provides a solid foundation for an AR-15 project, combining common serviceable features with a machined fit and an integrated rail for accessory mounting. Built to accept standard AR-15 components, it lets builders focus on selecting the controls, barrel, and furniture that meet their mission profile without guessing receiver compatibility.