AR15 Charging Handle Gas Busting Gasket
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Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a gasket for your charging handle that will greatly cut down on gas to the face when using silencers. This builds off of the old mod where people used silicone gasket maker. It was a very messy process, hard to get right, and looked terrible.
You print this with TPU using the default .2mm settings. Then all you need to do is super glue it to your charging handle and you're done. No more messing with gasket maker and getting it everywhere. You'll want a pretty tight initial fit since the TPU will slightly break in. This is designed for a perfect fit with mil-spec charging handles though it will work with many others just fine.
There are multiple STLs in this post with varying levels of “squish” to account for a range of tolerances. If you still end up needing something smaller or larger, just scale the smallest or largest STL by a few percent.