He also gives Ali two certificates saying he is authorized to use the rifles for self defense.

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The combination of such weapons with high-capacity magazines "facilitates mass homicides, " Pollack told CNN, noting that professional criminals generally don't use such rifles that look like military weapons.

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The group says some banned features, such as certain kinds of grips, make some rifles easier for disabled people to use.

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The smaller rifles are sold with a mount to use at a shooting range.

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