Home CMMG Which buffer tube?

Which buffer tube?

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Just picked up two options for the buffer tube on my AR pistol build (along with several other parts). Which one do you think I should use?

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43 COMMENTS

  1. go to home depot and get a little armaflex refrigeration tube insulation. cut it to fit over the threads. washers painted with bbq grill paint or painted radiator hose. black shrink tubing or even black tape all work well. nice build.

  2. If you end up never resting your cheek on the foam, go back to the rock river. If you do used the foam, keep it. Neither are horrible. One is cleaner looking and the other is useful.

  3. does it matter what kind of buffer you go with can you use a normal ar one or does it have to be heavy i plan on building a 10.5" pistol and i hear that they have more kick because of the shorter travel 

  4. if the tube is cross threaded (off center) however slight the bcg will not cycle properly causing it to jam in the tube. put on the stock tube and measure how much the spring sticks out without the retainer pin, then do the same with the new tube if there is more spring showing with the old tube then the new one is possibly the issue.

  5. Today i changed my buffer tube with a little longer from the stock LWRC pistol AR. Went to the range and thot a few times til the Bolt carier keeps getting stuck back. Is it because the spring needs to be change for longer buffer tuube? please help

  6. Q: If a person has a pistol and an attachable shoulder stock, does this constitute possession of an NFA firearm?
    Yes, unless the barrel of the pistol is at least 16 inches in length (and the overall length of the firearm with stock attached is at least 26 inches). However, certain stocked handguns, such as original semiautomatic Mauser “Broomhandles” and Lugers, have been removed from the purview of the NFA as collectors’ items.

    [26 U.S.C. 5845, 27 CFR 479.11]

  7. I'm looking into ordering a RRA pistol tube. Did you have any problem with the buffer retainer pin and spring since it appears you can't fine tune the installation with a castle nut? Thanks in advance.

  8. I am actually building a 7.5 AR pistol as well. I went with the Phase 5 Tactical pistol buffer tube which looks identical to the one you have with the foam padding. I am waiting on my Rainier Arms upper (Back ordered) to come in and will be doing a video review. Keep us posted on your build please. Thanks.

  9. Do you have a WMA (wild live management area) near by? I have one less than an hour from me now and after we move it'll be less than half an hour. I have plans for a family and friends gun and bbq day this fall when the heat breaks. Anyway WMAs are usualy great for shooting and you are not limited in ammo other than no tracer rounds so with a good sized group and the time you can spend there it is definitely cheaper than a range.

  10. Yeah as far as I know, I dont have a range close enough to shoot at but I have a cabin a few hours away in PA where I can take it. As for the upper, I was looking at 7.5 to later make it a SBR. What lengths have you gone with? (Penis length is optional)

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