2A ARMAMENT Builder Series 5-Position AR10 Billet Buffer Tube | Black

Double Star ARFX ACE AR15 SKLTN STK/BUF BLK

Timber Creek AR Buffer Tube, Black - AR BT BL

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

Aim Sports Buffer Tube, Anodized Black - XDB15PSTOC

Timber Creek AR Buffer Tube, Burnt Bronze - AR BT BB

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