G-Style Mil-Spec CNC 6 Position buffer tube
Angry Gun Mil-Spec CNC 6 Position buffer tube
CNC STOCK ADAPTER WITH MILSPEC BUFFER TUBE FOR KRISS AEG & GBB
SCAR GEN II STOCK ADAPTER VERSION 2.1
HK416 OTB MIL-SPEC BUFFER TUBE FOR UMAREX HK416 GBB
M4 SOPMOD Stock with CNC 6 Pos buffer tube