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Posted: 8/20/2026 5:48:12 PM EDT
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So, I'm looking at a dedicated 5.56 can. I was pretty much set on a Polonium, but then I saw the Exigent Street Goblin. 3d printed Inconel. Thoughts on the comparison between the two? |
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Originally Posted By Jupiter7: Not a fair comparison. polo is excellent built old tech and inexpensive, I think infinity 556k is more apt FPNI. Like comparing a Tacoma to a Mustang, totally different styles of can. No time on Exigent, but I’ve heard good things. Meanwhile I’ve been very impressed the Infinity 556K, and it was fairly comfortable even on my Mk18! |
Joined:
Nov 2022
Posts:
191
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KY, USA
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As others have pointed out you’re comparing a budget minded entry level machined stainless suppressor to a printed inconel suppressor. The infinity 556K would be the fair comparison and I’ll put it against the street goblin any day of the week in any test anywhere. Haynes, adjustable back pressure, been around for 6 years vs 1, etc |
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The SG is comparable to the polo-k in my experience. With less back pressure. They are the same size. SG is definitely heavier. For a stainless steel can, the poloniums are very durable due to the design, but that also makes them high back pressure. Not just standard back pressure, but HIGH back pressure. IMO id spend a little more and get the infinity 556k or the fireteam556. Bith are lower back pressure and lower sound, the infinity is probably less back pressure with the full flow end cap, but at the expense of being louder. |
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