2AUSA Posted March 24, 2021 Report Share Posted March 24, 2021 hey everybody. new guy here, from Mississippi. I've been tinkering and building ar 15s/M4s for several years now and I decided to build big brother, the 308 ar. what a challenge this first build has been. unfortunately, it's not functioning properly, so I came here for some help and knowledge. I'll try to get a write up about my rig sometime soon. it's an Aero upper and lower, criterion 18" barrel and a jp low mass carrier with a headspaced bolt. Quote Link to comment Share on other sites More sharing options...
shooterrex Posted March 24, 2021 Report Share Posted March 24, 2021 Welcome from KY. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted March 24, 2021 Report Share Posted March 24, 2021 42 minutes ago, 2AUSA said: hey everybody. new guy here, from Mississippi. I've been tinkering and building ar 15s/M4s for several years now and I decided to build big brother, the 308 ar. what a challenge this first build has been. unfortunately, it's not functioning properly, so I came here for some help and knowledge. I'll try to get a write up about my rig sometime soon. it's an Aero upper and lower, criterion 18" barrel and a jp low mass carrier with a headspaced bolt. Welcome aboard. This is your issue, right here, pointed out above. Love to see some more specs on your gun, to figure this all out. Here's a great starter on the kind of information that we need -to figure this out over the internet... Quote Link to comment Share on other sites More sharing options...
2AUSA Posted March 24, 2021 Author Report Share Posted March 24, 2021 thanks for the reply,98z. I actually did a good bit of research, before ordering the parts and I wanted the full mass carrier from jp. but I ordered it while I was at home from work and sick with covid and I accidentally selected the wrong bolt. my heart sank, when I opened the package and saw it was the lightweight carrier. I thought about sending it back, but with everything going on, it likely would have been months before I got the full mass. I'll read over the links you posted when I get off and send the information over. should I make a new topic, or reply in this one? Quote Link to comment Share on other sites More sharing options...
Cunuckgaucho Posted March 24, 2021 Report Share Posted March 24, 2021 Welcome from BC Quote Link to comment Share on other sites More sharing options...
Rsquared Posted March 24, 2021 Report Share Posted March 24, 2021 Welcome aboard from Maryland. Quote Link to comment Share on other sites More sharing options...
unforgiven Posted March 24, 2021 Report Share Posted March 24, 2021 Welcome from Indiana brother This is the school of " don't complicate $hit with complicated $hit " tell your friends Quote Link to comment Share on other sites More sharing options...
jtallen83 Posted March 24, 2021 Report Share Posted March 24, 2021 Welcome from Iowa, via Kansas! Quote Link to comment Share on other sites More sharing options...
Sharpshooter Posted March 25, 2021 Report Share Posted March 25, 2021 Welcome from Arkansas, the place we seem to complicate sh*t with more uncomplicated sh*t! Quote Link to comment Share on other sites More sharing options...
Albroswift Posted March 25, 2021 Report Share Posted March 25, 2021 Welcome to the forum Maybe can make up for the low mass carrier by bumping your buffer weight up. Pur Tungsten sells 1.5 oz weights in 3 packs if you are a do it yourselfer, and Heavy Buffers. com is a great resource also. Quote Link to comment Share on other sites More sharing options...
2AUSA Posted March 26, 2021 Author Report Share Posted March 26, 2021 On 3/24/2021 at 12:02 AM, 98Z5V said: Welcome aboard. This is your issue, right here, pointed out above. Love to see some more specs on your gun, to figure this all out. Here's a great starter on the kind of information that we need -to figure this out over the internet... 15 hours ago, Albroswift said: Welcome to the forum Maybe can make up for the low mass carrier by bumping your buffer weight up. Pur Tungsten sells 1.5 oz weights in 3 packs if you are a do it yourselfer, and Heavy Buffers. com is a great resource also. appreciate the advice, guys. I followed the instructions, as best as I could and made a post in the 308 builds section of the technical list. thanks for the warm welcomes, everybody. these forums seem like a great resource of knowledge. Quote Link to comment Share on other sites More sharing options...
mtrmn Posted March 28, 2021 Report Share Posted March 28, 2021 Welcome from Louisiana Quote Link to comment Share on other sites More sharing options...
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