Gun expert breaks down difference between semi-automatic and fully-automatic guns | KVAL
A device that can turn a semi-automatic weapon into a machine gun in moments is wreaking havoc on American streets | CNN
Semi-automatic rifles
Local gun expert explains difference between semi-automatic and automatic weapons - YouTube
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![DVIDS - Images - M110 Semi-Automatic Sniper System [Image 1 of 12]](https://d1ldvf68ux039x.cloudfront.net/thumbs/photos/1810/4846136/1000w_q95.jpg "DVIDS - Images - M110 Semi-Automatic Sniper System [Image 1 of 12]")
DVIDS - Images - M110 Semi-Automatic Sniper System [Image 1 of 12]
A Short History of the Semi-Automatic Firearm | An Official Journal Of The NRA
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Active shooter study: Semi-automatic rifles more deadly | AP News
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Semi-automatic rifles kill twice as many as other guns, study finds
