Spikes Tactical Complete M4 Stock Kit, Includes ST-T2 Buffer, Buffer Tube, Buffer Spring, Castle Nut, End Plate, Fits AR-15 Rifles, Black SAK0701-K

Spikes Tactical Rifle Buffer Tube Assembly, Includes Buffer, Buffer Tube, Buffer Spring, Castle Nut, End Plate, Fits AR-15 Rifles, Black SLA500R-K

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

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Luth-AR Fixed Rifle Length Buffer Tube Complete Assembly Fits AR-10 Rifles, with Buffer, Buffer Tube, & Spring, Black BAP-308

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