LANTAC SF FRGD BUILDER SET 6.75″ RL

The Lantac SF forged builder set provides an upper and lower receiver packaged with an M-LOK handguard for AR-15 builders seeking upgraded features while maintaining a traditional profile. The forged receiver set is described as containing above milspec features and is finished in anodized black. The lower includes a spot face cut at the takedown area and an internally flared magwell for faster, more positive magazine seating.

Key Specifications

• The product type is Lower/Upper Set.
• The model is SF 15.
• The finish is Anodized.
• The color is Black.
• The caliber/gauge is listed as Multi.
• The action is Semi-Auto.
• The builder set designation is 6.75" RL.
• Includes upper and lower receiver and an M-LOK handguard.
• The receiver construction is forged.
• The lower features a spot face cut at the takedown area and an internally flared magwell.

This builder set is suited for informed builders and shooters who want a durable, forged receiver package with practical enhancements that aid handling and reload speed. The combination of forged construction, anodized finish, and M-LOK compatibility provides a reliable foundation for a custom build or upgrade while preserving a straightforward, serviceable profile.