1148 - Milspec Carbine Receiver Extension (Buffer Tube) 6 Position
Rating:5 / 5 - 5 - Excellent
Owned Product for:less than 1 month
Pros:This receiver extension buffer tube is 6-Position is Mil-Spec diameter, fits AR-15 and LR-308, and comes with a buff tube castle nut. It is machined from 6061-T6 aluminum. Save yourself some money and get this one for your build if you don't need the heavy-duty 7075.
Cons:none
Other thoughts: