biglou13 Posted July 9, 2016 Share Posted July 9, 2016 (edited) M4gery/carbine length buffer system Milspec bolt (standard weight) Spikes t-2 buffer White oak 1/7 barrel Taccom buffer (yellow older version) 55 gr over 24.3 gr xbr lake city brass all passed Dillon case gauge all measured COAL I recently changed to syrac adjustable gas block and Holland like brake. Amazing how 2 changes created a very flat shooting weapon. Along with syrac purchase (from here) came 2 carbine length taccom buffers. I’ve been super skeptical using a what looks like a sharpie pen cap as a buffer. Taccom says it should function with standard BCG. I finally installed and tested it today and retuned gas block. I did feel a slight improvement from spikes t-2 buffer to taccom buffer. Did not run timer, I was primarily testing function. I had 4 failure to return to battery/ FTRB!!!! In approx. 35rounds. Light tap on the charging handle (first times I ever needed to) round chambered and fired fine. (the SPORTS reflex did kick in) Switched back to spike t-2 buffer. No failures in last 15 rounds Only other detail is that I I’ve been running it on the dry side. Ok im planning on more testing. With taccom buffer and on the “moist” side. ? any one have issues with similar set up? ?anyone getting decent reliability? Edited July 9, 2016 by biglou13 Link to comment Share on other sites More sharing options...
amccallister Posted July 9, 2016 Share Posted July 9, 2016 I ran one for a while with a JP low mass carrier, never had any problems with it. If your gas is tuned properly the first thing I would do is lube the crap out of the BCG. There are a couple of things in this world that work best while wet, and an AR is one of them. Link to comment Share on other sites More sharing options...
amccallister Posted July 9, 2016 Share Posted July 9, 2016 Also... not to insult your intelligence, but the buffer is a 2 piece system. It should be installed with one of the little buffer thingies on each end of the spring (the one I had had a rubber pad on one piece, that one goes into the buffer tube first). Do you have both pieces installed? If you only use one it may reduce the spring tension enough to cause malfunctions like you describe. Link to comment Share on other sites More sharing options...
biglou13 Posted July 9, 2016 Author Share Posted July 9, 2016 (edited) Insult away. I only installed one.... Crap !!! Running wet and installed properly next time at range... BIG THANKS! What are you running now? Edited July 9, 2016 by biglou13 Link to comment Share on other sites More sharing options...
amccallister Posted July 9, 2016 Share Posted July 9, 2016 Just a standard carbine buffer. Started shooting a new rifle and never got around to swapping out the parts from my old rifle. Link to comment Share on other sites More sharing options...
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