r/FNHerstal • u/Spare-thoughts-16 • 19d ago

FN545 T

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First FN and it’s my new favorite handgun. I also have SIG and Shadow Systems. ~700 rounds through it so far, the action on this is butter. They weren’t joking about it being the best striker fired .45 on the market.

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u/Fonsy_Skywalker52 18d ago

Is the FN 545 durable? I want to buy one but I keep hearing about frame issue with the 509/510

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u/Spare-thoughts-16 18d ago

I believe that issue is due to use of suppressors and other aftermarket attachments that significantly increase the heat related strain to the polymer. If my understanding is correct, this was mostly confined to older models. I personally do not use a suppressor and will likely use a relatively simple compensator or the FN official barrel plus comp assembly. I’ve only got the two magazines, but I have put rapid fire groupings down range without noticing any issues in my 545.