|
Forum Rules | Firearms Safety | Firearms Photos | Links | Library | Lost Password | Email Changes |
Register | FAQ | Calendar | Today's Posts | Search |
|
Thread Tools | Search this Thread |
December 20, 2010, 08:46 PM | #1 |
Senior Member
Join Date: October 13, 2010
Posts: 598
|
20 inch upper + carbine buffer tube
I'm looking at building an AR-15 with a 20 inch upper and a Mil-Spec carbine buffer tube so I can mount a collapsible stock. I know this is doable and the Canadian full length service ARs actually come from the factory this way now. Does anybody have experience with this combination and what buffer weight/spring did you use?
|
December 23, 2010, 03:14 AM | #2 |
Senior Member
Join Date: November 13, 2006
Posts: 8,292
|
I just finished putting an 18 in with a standard rifle length forend and gas system tonight.My other one is a 20 in.Both are set up with collapsable stocks,and so is my DPMS LR308L.I like the Magpul stocks.
I know one buffer is an H,the other may be an H2.One spring is a standard,the other is a Wolfe extra power because that was all that was in stock.Both work well.IMO,extra power springs might be OK going back,but along with the heavier buffer,it is like swinging a heavier hammer a little harder going forward.The BCG,cam pin ,bolt,etc take a little more beating as it slams forward. I also think,as the gas port is farther forward,the pressure curve has dropped off some,the gas tube is longer,for a bit more delay.The 20 in bbl may well be easier on a short buffer tube than a 16 is. The adj length of pull lets me find best position and eye relief |
|
|