Anderson AM-15 Buffer Tube 6 Position Carbine Length

MilSpec/GI AR-15 6 Position Carbine Buffer Tube - Black

Sons of Liberty Gun Works AR-15 MIL-SPEC 6 Position Buffer Tube

Aim Sports Buffer Tube, Anodized Black - XDB15PSTOC

Guntec USA AR15 A2 Buffer Tube Kit Aluminum Rifle Length Matte Ar15

Timber Creek AR Buffer Tube, Black - AR BT BL

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

Luth-AR Freedom Flag Commercial Carbine Buffer Tube 6 Position