Geissele trigger for ACR

Any ar trigger will fit

You will have to use your ACR trigger springs though, which could make the lighter trigger springs that come with some kits useless unless you give them the little bend that the ACR trigger springs have. You can compare the two to see what I mean.
 
You will have to use your ACR trigger springs though, which could make the lighter trigger springs that come with some kits useless unless you give them the little bend that the ACR trigger springs have. You can compare the two to see what I mean.

I just bent the saae springs a tad to match and it has worked great. I think there are vids on YouTube about it. If not check out acr forums. Been like that for a long time.
 
I just ordered a Geissele from Nordic Marksman. The instructions from Geissele recommend using the factory hammer spring on their ACR trigger so I think that tells us something.

Edit: It just arrived and is installed. The difference is indescribable . I have the 3G geissele on my KAC and cannot see any reason to use a different brand. They are just so well designed. Installation was very finicky on the ACR compared to an AR but still pretty simple. I retained the factory hammer spring. Thanks Nordic Marksman

View attachment 245061. View attachment 245062
 
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