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Dirty Bird AR-15 True Mil-Spec Carbine Receiver Extension / Buffer Kit
Dirty Bird PCC (9mm / .45) Receiver Extension / Buffer Kit
Dirty Bird AR-15 Enhanced Mil-Spec Carbine Receiver Extension / Buffer Kit
Dirty Bird AR-10 / LR-.308 Carbine Receiver Extension / Buffer Kit
Dirty Bird AR-10 / LR-.308 Carbine Receiver Extension / Buffer Kit w/ Heavy Buffer
Dirty Bird AR-15 Optimized Carbine Receiver Extension / Buffer Kit
Dirty Bird Enhanced PCC (9mm / .45) Receiver Extension / Buffer Kit
Dirty Bird Brand AR-15 Parts
