Posted: 11/23/2008 2:04:00 PM EDT
| i bought a ar15 from the bargain bin earlier this year, 16" flattop and i want to change the stock to a 6 position stock and i need to know if the tube is mil or comm spec. |
|
It is impossible for me to you exactly what you have.
This should help you identify if you have a comm. or a mil spec receiver extension http://magpul.com/pdfs/technotes/ctr/buffertubeid.pdf |
