CMC Triggers AR-15 A5 Buffer Tube Kit with Enhanced QD End Plate

Timber Creek Outdoors Buffer Tube Kit for AR-15, Red - ARBTKR

Timber Creek Outdoors Buffer Tube Kit for AR-15 - Lightweight and Durable in Blue Finish - ARBTKB

Timber Creek Outdoors Buffer Tube Kit for AR-15, Robin's Egg Blue - ARBTKRE

GUNTEC AR15 PISTOL BUFFER TUBE KIT ANODIZED BLACK

TIMBER CREEK AR Buffer Tube Kit - Black

TacFire 6-Postion Mil-Spec Buffer Tube Kit w/Dual Loop End Plate, Black

Aim Sports Buffer Tube, Anodized Black - XDB15PSTOC