All of the AR-7's that I've shot had issues in reliability and function.
Personally, I find that a .22 semiautomatic target pistol is almost as accurate as a target rifle and more accurate than many .22 rifles. For backpacking, I would go with an integrally suppressed Ruger .22 pistol.
I'm waiting now for the paperwork to clear on a Gem-tech Piranha .223 suppressor. I got the screw on so that I could use it on different weapons. I've got three .223's and I'm going to check with Gem-tech to see if I can use it with .22 weapons.
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