Home AR-15 Everything You Need To Know About Tuning Your AR-15

Everything You Need To Know About Tuning Your AR-15

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28 COMMENTS

  1. Great video. I wish it had come out 4-5 months ago when I started to build my own AR’s, but learning from one’s mistakes is the best teacher.

    I will say I love Jason’s, “Just throw a can on it” comment. I just took the plunge down the NFA rabbit hole a couple weeks ago and unless you know someone with the exact same rifle and muzzle device that you have, with the can you are looking at buying, and will let you try it out on your gun, there is no, “Just throw a can on it.”

    I did have one question though, regarding the buffer weights. I’m shocked they didn’t mention adjustable buffers? I had been running H2’s in all my builds, but my latest one I threw an Odin adjustable buffer weight in it, and I absolutely love it. I don’t know if I’ll use anything else going forward.

  2. All the barrels I get are over gassed with standard gas bocks/FSBs. After I break a new build in I go straight to the JP polished extra power carbine spring and then an H2 buffer. They seem to recoil snappier after a couple hundred rounds then I move to the H3 with the extra power spring. Haven’t tried the A5 system yet but I do have one gun that may NEED it.

  3. A little bit of misinformation is contained within this video; An A5 H2 buffer and a Carbine H2 buffer are not the same weight. An A5 should weigh in around 5.3oz whereas the Carbine will be around 4.6oz; Do not think you can covert your rifle from a Carbine system to an A5 and have similar results just because you used buffers of the same designation

  4. As someone whos built an 11.5 458 socom. Finding any sort of good "guide" or reference chart that isnt just "3oclock or 4oclock shell ejection" is damn near impossible. Does a heavier spring increase recoil or better absorb recoil or help slow the mass of the bcg or….? Does a heavier buffer weight with a lighter spring equal the same as a heavier spring with lighter buffer? What does each part actually equate too as a baseline or do you automatically start with carbine spring and buffer and "see what happens" or is there a way to know where to start? If you change the spring but not the buffer what actually happens without "just trying it" first?

    With my 458 most people assume heavier spring and buffer but research says it was "designed to use the carbine system". But apparently theres no guide of pressure vs barrel length vs gas length to reference. Just trial and error until you like how it shoots I guess.

  5. For all the new folks who don’t know what’s going on with this type of rifle, you guys should have shown the hole on the top of the barrel, where the gas flows into the gas block. Should have shown an example of an adjustable gas block not installed on a barrel like the Superlative Arms one with “click” adjustments for gas flow or bleed off and non adjustable gas block to compare between the two. Should have had a BCG (Bolt Carrier Group) not installed in the upper for reference of how the gas flows into the top of it into the Key via the gas tube and then vents out the side and show how the bolt rotates and moves for ejecting the spent casing to prepare for the next round to be chambered. Should have talked about different styles of gas tubes, how you can buy a “pig tailed” version, that goes from the gas block towards the upper receiver then usually two full rotations around the barrel before it goes into the upper receiver to mate up with the BCG gas key. All things I have mentioned, I think would have made things easier to understand for people that do not have a good understanding of this type of operating systems.

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