Hi-Point firearms are the most butt-ugly guns I have ever seen.

I own the Kel-Tec P3AT. It was not reliable so I sent it back to Kel-Tec. The take-down pin would start backing out after one or two rounds. They fixed it up and sent it back. It has been 100% shooting 105gr Remington Golden Sabers. It chokes on Winchester white box. The Winchester ammo has a flat point.

I too am interested in the Kel-Tec SU16. I want to see one in Remington 6.8 SPC. I’d like more power than the .223. The folding feature of the SU16C would be good if you wanted to carry it in your car. The best features of the SU16 are: light weight, takes M16 magazines, and easy sight mount.
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