TonytheTiger Posted April 16, 2016 Share Posted April 16, 2016 First a story to go along with the question: I ran a 10 round tube with the standard spring cut 7" past the tube all last year. I was very pleased with loadability (word of the day) at max capacity and spring pressure on the last round in a tube, and reliability was flawless. Over the winter I decided my manhood would be in question without a 12 round tube, and when I saw the HD spring option I knew it stood for Huge Dick so I bought one. Well, by the time I had it cut so that it was possible to load 12, the last round barely pooped onto the lifter. Reliability was fine over 300 rounds of testing but loading full sucked and the last round pressure seemed unsatisfactory. So I cut a standard spring to 8" past and suddenly loading full sucks less and the last round ejects from the tube with a roar reminiscent of the MGM lions. Not only does this challenge my understanding of springs, it makes me wonder what the hell the HD spring is for and who uses it? Is there a particular tube length where it becomes necessary? Or is my experience just an anomaly? Link to comment Share on other sites More sharing options...
TonytheTiger Posted April 18, 2016 Author Share Posted April 18, 2016 I knew it, no one runs the HD Spring! Link to comment Share on other sites More sharing options...
12Bravo Posted April 18, 2016 Share Posted April 18, 2016 (edited) I have been by accident... Will have my standard Nordic springs tomorrow. WAAAYYY harder to quad-load than it should be with the HD's. Edited April 18, 2016 by 12Bravo Link to comment Share on other sites More sharing options...
MarkCO Posted April 18, 2016 Share Posted April 18, 2016 The HD don't last as long either. Really only if you run a tube longer than 32". Link to comment Share on other sites More sharing options...
12Bravo Posted April 18, 2016 Share Posted April 18, 2016 Hopefully will have my CA 8+4 in the next couple of days, looking forward to it. Link to comment Share on other sites More sharing options...
freshrider Posted April 18, 2016 Share Posted April 18, 2016 On my Versamax, 14 round tube runs with a standard spring, uncut. When i was playing in open, a 17 round tube required the HD spring. Didn't try anything in between. Link to comment Share on other sites More sharing options...
swordfish Posted April 18, 2016 Share Posted April 18, 2016 I bought an HD spring and it worked great in my 11 shot tube. But it took lots of testing to get it to feel right. The HD spring takes up less space in the tube than the standard spring, so says Nordic's website. I just bought a +8 so I can't use the HD spring anymore, but they were out when we ordered, so I'm gonna have to play with the standard spring. Notice on the packages, the recommended lengths and behaviors of the two springs are different. Link to comment Share on other sites More sharing options...
TRUBL Posted April 20, 2016 Share Posted April 20, 2016 (edited) Really? someone came out with a HD spring for the mag tube? What a break thru!! STD spring is all you need.......it's the best out there. Someone musta been smokin crack that day. Tim Edited April 20, 2016 by TRUBL Link to comment Share on other sites More sharing options...
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