VLTOR SP-1 Buffer Kit 3oz Carbine Buffer and Carbine Spring AR-15 Black

Luth-AR Mil-Spec Dia Carbine Buffer Tube Complete Assembly Fits AR-15 Rifles, with Buffer, Buffer Tube, & Spring, Black 223-M-BAP

Rock River Arms Carbine Buffer Ar-15 Recoil Reduction and Smooth Cycling

Sons Of Liberty Gun Works Buffer Retainer Spring for AR-15 Stainless

SPIKES TACTICAL Pistol Buffer Tube Assembly Fits AR Pistols Black

Luth-AR Fixed Rifle Length Buffer Tube Complete Assembly Fits AR-15 Rifles, with Buffer, Buffer Tube, & Spring, Black BAP-1

Tactical Springs LLC Intermediate Power Hot White Carbine Buffer Spring

Spikes Tactical Rifle Stock Buffer Spacer, Black