White Label Armory AR-15 Gas Ring Bolt Carrier Group Twelve Pack Black. Designed to prevent gas leakage in your AR15 bolt assembly this pack contains enough rings for four complete bolt rebuilds. These precision-made components restore proper function and are essential for routine maintenance. Proudly made in the USA they deliver dependable quality for builders and shooters alike. Specifications for White Label Armory AR-15 Gas Ring Bolt Carrier Group: Manufacturer: White Label Armory Color: Black Gun Make: AR Platform Gun Model: AR-15 Features of White Label Armory AR15 Gas Ring: Includes 12 stainless steel gas rings Fits standard AR15 bolt assemblies Enough for four complete bolt rebuilds Prevents gas leakage and ensures proper cycling Manufactured to Mil-Spec dimensions Ideal for maintenance and repairs Precision-made for reliable performance 100 percent American made Package Contents: White Label Armory AR-15 Gas Ring Bolt Carrier Group What firearm models does the manufacturer say White Label Armory AR-15 Gas Ring Bolt Carrier Group is compatible with? The manufacturer says that White Label Armory AR-15 Gas Ring Bolt Carrier Group is compatible with AR-15White Label Armory WLA-PAC-3011-12: AR-15 Gas Ring Bolt Carrier Group Twelve Pack Black