Experience the perfect blend of durability and style with this compact full frame assembly designed for versatility and performance. Crafted from high-quality polymer this robust frame offers reliable strength while maintaining a lightweight feel. Its sleek black finish not only enhances its aesthetic appeal but also provides a professional and modern look. Ideal for those seeking a balance between functionality and elegance this frame assembly is built to meet the demands of everyday use.Uses Picatinny rail (not a Glock rail) MIL-STD 1913 Picatinny.Multi caliber- Compatible with compact 9mm 40 cal 357SIG. Weight 3.5 oz. Without Locking Block.