This is a Spike's Tactical Buffer Tube, model SLA500R-K.
The Spike's Tactical carbine buffer assembly kit is just what you need to finish off your lower with quality components. This kit is perfect for those who either already have their own stock to use or just want to pick a different stock that isn't available from Spike's Tactical.
Features:
Black finish
T2 Carbine buffer assembly kit
Includes ST-T2 heavy buffer six position mil-spec buffer tube buffer spring end plate and castle nut
