bpipe95 Posted August 29, 2013 Share Posted August 29, 2013 (edited) I been running the same set up for the past 3 years. Tubes spring and rifle buffer that was less than 3 oz. I've been really happy with this the entire time. I thought I had it all figured out then I tried one of the Jp capured buffers. It changed the whole feel of the gun. That thing is backwards from all of my standard configurations. Point is, nothing is "standard" with this. Experiment and find what works best for you. The adjustability of the gas, buffer weights and springs are damn near never ending. Edited August 29, 2013 by bpipe95 Link to comment Share on other sites More sharing options...
Zmego Posted August 29, 2013 Share Posted August 29, 2013 Will I run into any issues using the low mass carrier without the forward assist grooves even though my upper has a forward assist? Link to comment Share on other sites More sharing options...
Sterling White Posted August 29, 2013 Share Posted August 29, 2013 I've been using the JP LM system since about 2003. I can't remember the last time I shot a factory round through one of my rifles. He said "Hot" Link to comment Share on other sites More sharing options...
Doug H. Posted August 29, 2013 Share Posted August 29, 2013 (edited) Will I run into any issues using the low mass carrier without the forward assist grooves even though my upper has a forward assist? Many competition uppers don't have the forward assist. I've run the JP LMOS in my competition rifle (JP-15 upper with assist) for almost 5 years and have had no problems. The things I have seen as an RO are: 1) shooters who have to look into the chamber so see if a shell is in there, sometimes do not get the bolt closed all the way and when the buzzer goes off they start with a gun that won't go bang and 2) shooters that try to force a round in that didn't want to go in the first place make the whole problem worse. I just drop the bolt and I'm ready to play. If you really want the serrations on the bolt carrier, the new RCA (Rubber City Armory) low mass bolt carriers have the serrations on the side and weight taken out of other areas. Doug Edited August 29, 2013 by Doug H. Link to comment Share on other sites More sharing options...
MarkCO Posted August 29, 2013 Share Posted August 29, 2013 I plug the FA hole in all of my uppers. Take 15 seconds to clear a jam, on the clock, if you have not chamber checked or kept up with maintenance, and maybe tank a stage, OR use the FA and tank the whole match. Link to comment Share on other sites More sharing options...
Zmego Posted August 29, 2013 Share Posted August 29, 2013 I'm confused. Will my FA catch on the BCG or something? Do I have to uninstall the FA in order to run it? I never use it, so I don't care either way. Link to comment Share on other sites More sharing options...
Doug H. Posted August 29, 2013 Share Posted August 29, 2013 I'm confused. Will my FA catch on the BCG or something? Do I have to uninstall the FA in order to run it? I never use it, so I don't care either way. Your FA is spring loaded out of the way of the BCG, no need to remove. If you build an upper off a stripped unit you can plug it to keep dirt and stuff out or install a FA. Doug Link to comment Share on other sites More sharing options...
Zmego Posted August 29, 2013 Share Posted August 29, 2013 Ok, last question. Where is the best place to pick one up? I think in going to get the complete BCG. Link to comment Share on other sites More sharing options...
fishsticks Posted August 30, 2013 Author Share Posted August 30, 2013 PM Sean Gaines he is a forum dealer on here. I recently bought the bcg and bolt (JP) from him. Or, you can go right to the source at JP. Link to comment Share on other sites More sharing options...
amccallister Posted August 30, 2013 Share Posted August 30, 2013 Ok, last question. Where is the best place to pick one up? I think in going to get the complete BCG. Midway has them in stock, got mine on the way after reading this thread yesterday. Link to comment Share on other sites More sharing options...
PursuitSS Posted September 2, 2013 Share Posted September 2, 2013 I've played around with lightweight carriers for Decades, probably before many of you were born. The first lightweight carrier I used was a Smith Enterprises aluminum carrier, they were manufactured to jump the cyclic rate of an M-16 to 1400 rpm. And, it did work for that purpose! I'm currently running on several of my AR's the J.P. LMOS QPQ Carrier (and will have it on all of them when I can afford them) I also run the Wolff XP Action spring and I do not run an adjustable gas block. Original Colt M-16 Bolt Carrier Smith Enterprises Aluminum Carrier Progressive Machine & Tool Titanium Carrier J.P. Enterprises LMOS QPQ Carrier Link to comment Share on other sites More sharing options...
Therealkoop Posted September 2, 2013 Share Posted September 2, 2013 Wow that aluminum carrier is light as hell. Thanks for the pics. Link to comment Share on other sites More sharing options...
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