So I bought a Brownells buffer tube. Package says: AR15/M16 UNFINISHED 5 POS BUFFER TUBE.
None of the 3 stocks I tried fit. Mil spec M4, magpul sl, sba3. I've heard about commercial spec tubes being the wrong size, but the package says nothing like that. What gives?
None of the 3 stocks I tried fit. Mil spec M4, magpul sl, sba3. I've heard about commercial spec tubes being the wrong size, but the package says nothing like that. What gives?