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Sunday Answer 5-17-15

The pictures from yesterday’s post.

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Are from a AR-180B rifle. This part is the bolt hold open device.

You can see the difference between the AR-180B and the AR-180 with this next picture.

DSC_2355scWith The AR-180B some additional parts are required.

DSC_5323csLooking at this next set of pictures you can see the difference between the two lower receivers.

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The AR-180B was design to use as many AR-15 parts as possible. It was also a plastic injected molded receiver with a metal insert to act as usable surfaces for pins and wear points.

Here a few general picture of the rifle.

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Ar180A close up of the upper and lower receiver. This picture showers the plastic molded lower and lack of a dust cover in the stamped upper.

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