White Label Armory AR-10/15 Hammer Spring Ten Pack Black. These standard-power springs are precision-manufactured to ensure consistent ignition and long-term durability making them essential components for any lower parts kit build or repair. Backed by WLA?s commitment to American-made quality this 10-pack offers dependable functionality for builders and armorers alike. Specifications for White Label Armory AR-10/15 Hammer Spring: Manufacturer: White Label Armory Color: Black Gun Make: AR Platform Features of White Label Armory AR15/AR10 Hammer Spring: Includes 10 hammer springs Standard-power springs for consistent ignition Compatible with AR15 and AR10 platforms Manufactured to Mil-Spec dimensions Ideal for builds repairs or spare parts kits Precision-engineered for reliable performance 100 percent American made Durable and long-lasting construction Package Contents: White Label Armory AR15/AR10 Hammer Spring White Label Armory WLA-PAC-1004-10: AR-10/15 Hammer Spring Ten Pack Black