Anderson AM-15 Carbine Length Buffer Tube

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

Aim Sports Buffer Tube, Anodized Black - XDB15PSTOC

ONE HORSE AR15 Buffer Tube Kit Carbine Buffer

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

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

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

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