The Worst Thing You Can Do For Your AR
858,363
Published 2020-06-01
If you've been around the block more than once you may have noticed that asking for advice on the internet can often be more trouble than it's worth, but I'm doing it. This "fancy rifle" build began with an F-1 Firearms receiver set, Aero Precision barrel, and POF DIctator gas block, but just won't run. Lightweight carrier and Odin Works light weight buffer and there's still not enough gas to run the gun.
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All Comments (21)
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Problem solved! A reduced-power buffer spring did the trick and I was able to then reduce gas a little with the gas block. We suspect the gas port is too small on this barrel as we KNOW the block is properly aligned. See the second video here: https://youtu.be/tjFRl6sO_GY See the article to learn about the myths perpetuated in the comments of this video: www.ballisticmag.com/impossible-ar-build-myths/
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I really thought this video was going to be about why it’s a bad idea to skeletonize your rifle
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I don’t know much about guns, but I am an engineer that knows materials and physics... By reducing the mass of the components, you are reducing the inertia (i.e. heavy trucks are hard to stop). The spring has a lb/in rating, and I suspect that your components don’t have enough momentum and inertia to overcome the spring. In theory, if you reduce the force (mass x acceleration) going backward, then you should reduce the force going forward (the spring).
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Everything about this build triggers me. That thick af spring looks like a cars coil overs lmao.
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I had this happen to me on a build. Drove me crazy. Grabbed parts from every rifle and pistol I owned, to have "Light Weight" everything, for cycling issue. In the end, it was the buffer spring. I put in an old very used and relaxed spring.... runs like an old singer. Go figure
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6:00 got all these light weight parts but that spring came off 1ton truck
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The worst thing you can do to your AR is have it “skeletonized”
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"Everything fits smoothly." Meanwhile the buffer spring is sticking out 400 meters. 😄
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I’ve found low mass bolt carries to short stroke. Increase spring tension/ heavier bolt carrier/ or even H2/3 buffer. Low mass allows the bolt to cycle to soon. Not building up enough pressure in your gas key to send a full cycle.. but just my 2 cents
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That buffer spring is THICC
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With all that light weight stuff, my brain immediately went to the buffer spring. Lighter parts don't have the momentum to cycle on a mil-spec buffer spring. Glad you got it figured out!
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those "lightning cuts" on the upper receiver are the stupidest things I've ever seen ... talk about a quick way to introduce dust and dirt...
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You need a carbine buffer spring. The rifle springs have 41 to 43 coils, and the carbine springs have 37 to 39 coils. The brand-new length of the springs is approximately 12.75″ for the rifle and 10.5″ for the carbine springs.
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When I saw that spring, I was like holy shit is that a strut spring? 🤣🤣
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I built one for my daughter that was short stroking. I changed the buffer spring to a Damage Industry spring and four years later still no issues.
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Holy skeletonized batman, god what happened to that poor rifle
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Your recoil spring is to heavy, AND NEVER SKELETONIZE an AR you're just asking for dirt and debris to foul your gun
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90% sure its spring, (edit) yeah when i saw how far spring came out of tube and how thick the spring was i am now like 98% sure its spring.
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Honestly, these videos of ‘mistakes’ are very useful! I don’t know much about much but I appreciate the knowledge!!
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I appreciate your brutally honest review/analysis of your own handiwork. I'll give your build a solid A- in the aesthetics department ❤ Thank you for all this good information.
