White Label Armory AR-15 Extractor Spring Insert Bolt Carrier Group Ten Pack Black. Precision-machined to Mil-Spec dimensions these inserts fit seamlessly inside standard AR15 extractor springs enhancing function under demanding conditions. Built from high-quality materials and 100 percent American-made these components are ideal for upgrades replacements or preventive maintenance on your rifle. Specifications for White Label Armory AR-15 Extractor Spring Insert Bolt Carrier Group: Manufacturer: White Label Armory Color: Black Gun Make: AR Platform Gun Model: AR-15 Features of White Label Armory AR15 Extractor Spring Insert: Includes 10 extractor spring inserts Fits inside extractor springs to increase tension Enhances extraction reliability Compatible with all standard AR15 bolt carriers Precision-machined to Mil-Spec dimensions Ideal for upgrades and maintenance 100 percent American made Ensures consistent quality and performance Package Contents: White Label Armory AR15 Extractor Spring Insert What firearm models does the manufacturer say White Label Armory AR-15 Extractor Spring Insert Bolt Carrier Group is compatible with? The manufacturer suggests that White Label Armory AR-15 Extractor Spring Insert Bolt Carrier Group is compatible with AR-15White Label Armory WLA-PAC-3008-10: AR-15 Extractor Spring Insert Bolt Carrier Group Ten Pack Black