I can find barrels w/o a gas port in .224
Friday, March 17, 2023, 07:12

but other calibers are a little harder to find. There are some makers producing side handle uppers too. One maker produces a large charging handle to fit the traditional upper and use as a straight pull "bolt-action" system. I was considering using a 9mm blow-back bolt assy to make a "repeating" hunting rifle. It has no gas system just the rotating bolt head, powered by a buffer spring pushing it forward.

But all said it's easier to just install a "gas cut-off" gas block to keep from slinging brass, turn off for occasions and still have semi-auto capability. I can buy factory produced rifles and install that quite easily.

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