From months of research, I have boiled the hunt for a dedicated M4 carbine 22LR upper to a Tactical Solutions one. They are pricey but I want one that will run and run hard. My MAC 22 LR conversion unit is just too finicky and accuracy is not wonderful. I also do not want to toss 22LR down my 223 barrel in any volume.

Is the Tactical Solutions dedicated Upper a good solid one ? Anyone have one and can comment.

By the way: at the range yesterday a guy showed up with a new in the box Colt AR M4 in 22 LR and it would not fire over one round at a time regardless of ammo used. Light FP strikes after first shot fired: I am not interested in that option of 22LR M4.

Tactical Solutions? Good or what?
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