Posted: 4/23/2016 5:01:25 PM EDT
[Last Edit: 4/23/2016 5:01:45 PM EDT by Caesar01]
I put a longer barrel in my friends upper for him and he gave this to me. Less than 100 rounds through, I'll include the gas tube and pin as well. $65 shipped. PayPal friends and family or cover the fees.
link to specs