The KNURLEDWLA AR-15 Upper Parts Kit provides essential components for your AR-15 build with a durable phosphate finish and Made in USA quality construction.KNURLEDWLA AR-15 Upper Parts Kit (SKU: WLA-UPR-2005-01)Phosphate finish for corrosion resistance and durabilityMade in USA manufacturingCompact dimensions: 1.25 x 4.00 x 5.55 inchesCompatible with AR-15 platform riflesPerfect for AR-15 builders and enthusiasts looking for reliable USA-made components with professional-grade phosphate coating for long-lasting performance.