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Home / Bca Ar-15 Side Charging Upper Receiver/bcg Combo 223 / 556 Nato Review

Bca Ar-15 Side Charging Upper Receiver/bcg Combo 223 / 556 Nato Review

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  1. Does anyone have any experience with one of these? I have one that has been nothing but trouble. Non blaming BC because I put information technology together although I have put several standard uppers together and not had whatsoever issues.

    I've never been able to get more than 3 rounds through it at a time. I've tried irresolute the buffer, spring, magazines and barrel all from different ARs that run not bad. I'm not exactly sure what to do side by side other than stuff it in the garbage. I'k nearly over it.

  3. Like I said I'grand not blaming BC I just can't seem to make this work. I am curious if I take the side handle off the BCG if it would piece of work in standard upper. That way I could test the BCG in another rifle and perhaps rule that out?
  4. What specifically is the malfunction? What ammo are yous using? Accept you tried switching ammo?
  5. I have 5 of them, no problems with any.

    What specifically is happening?

  6. Need more than info of the malfunction. Just just stating you have a side charging upper doesn't give us much to work with.
  7. And yes you can take the bolt handle off and use it in another rifle. You can also use a bcg from i of your other rifles in your side charging upper. The only divergence is they drilled and tapped a hole in it.
  8. I don't know exactly what I would call the problem because it doesn't do the same verbal thing every fourth dimension. It will not shoot more than than ii times without either not picking upwards another round, bolt hanging upward and not closing, it has also double fed one fourth dimension.

    I have tried iii different types of ammo in it. Yesterday was using federal or American eagle I can't remember. Same stuff my other ARs don't have an issue with.

    Everything is clean and lubed. When I changed barrels I used a unlike gas block and went from rifle length to carbine length. I've inverse out everything but the upper and BCG with no change.

  9. Krusty

    Krusty Member

    Joined:
    November 12, 2009
    Messages:
    108
    Location:
    WNC
    Take you contacted BCA? It's possible they could help you either with tech advice or a replacement.
  10. Does whatever problem occur on loading the first circular on an empty chamber or only during firing utilizing the rifles gas system?

    What blazon of double feed? New unfired round being fed into an empty example? Or 2 unfired rounds feeding at the same time?

    You lot said commodities hanging upwardly. With a new circular clipped into the extractor, empty bolt coming forward?

    Is the magazine you are using a known one that feeds well?

    Need more than data.

    Things to check:
    one. Endeavor a different magazine
    2. Gas block misalignment
    3. ARs love to be ran wet, is the within of your upper receiver and BCG sufficiently wet with lube?
    4. Extractor non grasping spent cartridge and/ or not staying on spent cartridge?

    AR diagnosis over the spider web needs a person to be really descriptive of what is occurring from kickoff to finish when bug arise.

  11. I have not contacted BCA.

    I have tried several unlike magazines generally Pmags and another D&H that was borrowed. Definitely clean and well lubed I learned this with my first AR very rapidly. The double feed was ii live rounds. I guess I will proceed to become down the list.

  12. If you are getting two alive rounds attempting to feed at the same fourth dimension you need to look at the following:

    1. Oversized gas port
    ii. Weak buffer spring
    3. Also light of a buffer

    What buffer weight practise yous have? Did you lot use the same buffer every bit when information technology was setup as a rifle length gas ported barrel? This very well could exist your problem.

    What a double feed of ii live rounds tells me is that there is excessive jarring happening in your rifle when firing causing rounds to bypass the feed lips. This can be caused past excessive gas port size (likewise much pressure), weak buffer jump (not slowing the BCG enough), or likewise lite buffer weight (non plenty ballast to slow the BCG).

    My guess at this point with the information I take is y'all need a heavier buffer.

  13. That makes sense to me. Sometimes when beingness totally frustrated information technology makes things harder to figure out.
  14. Don't crush yourself up, function of learning. Once you get the hang of what makes AR's tick they really start to make sense and i can really start to appreciate how ingenious they are. What helped me when I was first getting into them is picturing in my listen like a flowchart of what is happening from the point the primer is struck to the chambering of the following round. There are parts that must be considered. Especially, when you modify one item such equally your rifle length ported barrel to carbine length.

    Let us know what you find out and if it isn't the buffer postal service back and I'thou certain THR will become you support and running.

  15. Some other matter to pay attending to is ejection pattern. I'm guessing your first round that fired would take been ejecting frontwards as in i:00 - 2:00.

    A good gassed burglarize should be ejecting from three:30 - 4:30 or so.

  16. To me what you draw sounds like it is under gassed and the commodities is short stroking. Usually yous become this from a leaky or loose gas key on the bolt carrier, or a leaky gas cake on the barrel. Is there any soot marks coming from around the gas cake?
  17. Did the rifle function correctly earlier you swapped the butt? If yes, then we can very likely assume the BCG is non the issue. Instead focus on what changed.
  18. I can't encounter the gas cake without removing the hand guard. When I get dwelling house I will have to cheque. If I call back correctly the barrel on this upper is dimpled for the set screw that holds the cake. I never thought nearly checking the gas fundamental either. Sounds like I accept some homework to do now. Thank you everyone for your suggestions. I capeesh it.
  19. No it'southward never worked. And thinking about information technology the buffer and recoil spring that are in information technology at present came with a PSA burglarize kit that the barrel I'grand using on information technology now also.

    As for the ejection design I didn't actually pay attention to that as nigh rounds were manually ejected after things were bound up. Possibly 2 or three ejected on their ain. I'yard thinking maybe next time I go shooting I want to swap out the BCG from the side charging upper and endeavour information technology in another burglarize simply to rule it out.

  20. Practise you take an H2 buffer and carbine spring? Throw them in in that location and try it. Your rifle length buffer likely is an H buffer and sprung for a burglarize length gas every bit well.

    Still call up the most logical problem is overgassing your buffer system every bit you've moved the gas port 5" closer to the explosion.

  21. Unless I miss read he said he is running a burglarize buffer tube so you can't put an H2 or carbine leap in that.
  22. I don't see where he said rifle buffer tube? Unless I'thou missing something, he said he went from rifle length gassed butt to carbine length.
  23. I think if you lot buy an upper from a company, and it doesn't run correctly, the starting time thing y'all should do is contact the company, not play gunsmith and start swapping things out with out the proper knowledge on how to diagnose the problem offset. You lot volition probable create more problems than you lot fix.
  24. I think the OP bought a stripped BCA side charging upper receiver. Based on his original postal service he said "I put it together" I assumed (and maybe I shouldn't have) that he assembled the upper from parts.
  25. That is correct. I bought a upper receiver ,BCG and a butt. My program originally to use the side charging upper with a heavy butt and get in more of a bolt activity style bench rifle. I couldn't force myself to cake the gas port and ended up buying the gas block and tube. I alive in CA where most everything is illegal until I found the AR maglock. That stupid little piece allowed me to keep the pistol grip and go along information technology semi auto. Up until that point my other ARs were featureless builds.
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