Depends on gas system lengthQuick question - If one takes and upper off an AR that was originally a 20" rifle with the fixed stock, and puts a 16" carbine upper on it, do the stock and buffer need to be changed out to a CAR stock/buffer for proper cycling/reliability?
If its going from a rifle length gas to carbine length you may need a heavier buffer.. odinworks.com makes a very nice AND affordable carbine weight system for easy weight adjustmentQuick question - If one takes and upper off an AR that was originally a 20" rifle with the fixed stock, and puts a 16" carbine upper on it, do the stock and buffer need to be changed out to a CAR stock/buffer for proper cycling/reliability?
I've started using armaspec, they have so far been as good as JP but dang near half the cost of JPI like the "silent" systems that are tunable.
Quick question - If one takes and upper off an AR that was originally a 20" rifle with the fixed stock, and puts a 16" carbine upper on it, do the stock and buffer need to be changed out to a CAR stock/buffer for proper cycling/reliability?
I like the "silent" systems that are tunable.
I've started using armaspec, they have so far been as good as JP but dang near half the cost of JP
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I do like the weight system JP uses. You can change the weight on armaspec also but I do think JP is easier to alter having the 4 weights you mentioned. As for the springs, I have no issues with armaspecs.. I bought all of mine as kits.. maybe they come with better springs?I dislike the spindly little springs those systems come with. I can get essentially the silence of a SCS with a Tubb flat wound spring in a nice VLTOR tube (smooth ID of tube), and a bit of grease on the spring. Only this spring is way beefier and consistent. A VLTOR A5 gives nothing up in tenability to any SCS setup. The ability to go from 4 steel weights to 4 tungsten is a huge span good enough for almost anything short of a straight blowback application.