Luth-AR Trigger Guard Assy Only Black. Aluminum with black anodizing. Specifications for Luth-AR Trigger Guard Assy Only: Manufacturer: Luth-AR Gun Make: AR Platform Gun Model: AR-15 Color: Black Finish: Black hardcoat anodized matte Fabric/Material: 6061-T6 Aluminum Length: 2.13 in Additional Features: Standard Features of Luth-AR Trigger Guard Assy Only: Shipping Weight 1 lbs Shipping Dimensions 12 x 2 x 2 in Package Contents: Luth-AR Trigger Guard Assy Only What firearm models does the manufacturer say Luth-AR Trigger Guard Assy Only is compatible with? The manufacturer suggests that Luth-AR Trigger Guard Assy Only is compatible with AR-15Luth-AR LR-03: Trigger Guard Assy Only Black