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PRESMA LOW PROFILE GAS BLOCK
It works. Simple design and roll pin included. Great price. The gas hole (?) is shaped to where you don’t need an alignment tool to install. Used it once so far. No signs of leakage and it didn’t fall off so I’m good with it.
Would recommend: Yes
Great Gas Block
I've designed quite a few AR's and used several different gas blocks. Some good some not so good. Presma is one I'd recommend. They're easy to install, They fit great, and they're easy to time. A trick to the allen screws to secure the block. Once you have it timed properly and the allens are snug not tight, remove them one at a time and add a small amount of blue 242 Loctite then tighten them to spec.
Would recommend: Yes
.875 gas block
Nice little block for a hexagon barrel build I was slapping together. Good fit and even finish
Would recommend: Yes
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