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Discussion Starter · #1 ·
The rain has finally stopped in Texas for now, and I was able to take out the OSS can and Scar 17s.

Keep in mind, my OSS is not tuned for the scar's thinner barrel with smaller almost non-existing shoulders, standard size Flash Hider not the one that's made for scars.

The OSS's Flash Hider Muzzel Break (FHMB) was direct thread on with out any shims or anything.

POI shift was very minimal, nothing out of the ordinary.

The OSS was impressively quiet, and had minimal to no blowback.

Here's a video showing the first shots with ZQI ammo. To me, the can runs perfectly fine, and the scar tuned FHMB is not needed.

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