Foxtrot Mike Products Mike-9 AR9 Heavy Buffer Carbine

Guntec Usa Ar9 Buffer and Spring Chrome Teflon Carbine 9mm Ar9 Compatible

Rock River Arms 9mm Carbine Buffer AR15 Compatible Recoil Control

Milspec/GI Carbine 9mm Buffer - 5.4OZ

Ergo Pistol Caliber Carbine Buffer Spacer, Black

Yankee Hill Machine Company Heavy Buffer Stainless

Q LLC Short Stock Buffer 9mm

Timber Creek AR Buffer Tube, Black - AR BT BL