Hey Everyone,
I am having some trouble sorting out correct buffer spring and weight.
Can anyone point me to a good troubleshooting thread or resource?
I have a 10.5, pistol gas, 300BO. I started with a carbine buffer and spring and had short stroking trouble. At the advice of a LGS, I replaced the carbine buffer with an H3. It still short strokes. Brass ejects but it doesn't pick up another round.
I also have an 18 inch, rifle gas, .223 Wylde that had the same problem.
What do you all recommend?
Thanks
First of all, if your lgs suggested a heavier buffer to fix a short stroking issue, I'd stop asking them for advise.
I'm gonna guess that this is something that you threw together. The problem could be any number of things. Leaking gas key, bad rings, really bad fit between the barrel and gas block, undersized gas port in the barrel, etc.
First, you need to be using dedicated 300bo mags with subs. They are much longer than supers and will get hung up in a 5.56 pmag or similar mags. Get yourself a proper mag and load one round into it. Chamber the round and fire it. Do this a few times. What happens? Does the bolt lock back on all of them, some of them, none of them? If it doesn't lock back on all of them, my guess would be that you're undergassed. Check gas port size. What size you should have kind of depends on whether you're running supers or subs ... suppressed or unsuppressed. Are you running a traditional can or flow through?
Despite what has become a popular notion, ARs are not just tinker toys. Just because your throw AR parts together and it comes out looking like an AR doesn't mean it's gonna run like it's supposed to and just asking what buffer and spring should I get usually doesn't lead to a solution.
I'm not ranting. I'm just trying to make the point that if you have a true interest, read a book. It will explain what all of the parts do and why. Once you understand that, it gets pretty simple.
Without actually being able to put hands on, we are all just shooting in the dark.
