Description
Upper receiver jig holds your A2 or A4 upper receiver in position so you can easily clean or work on your upper. Just set your upper into the slots, and push the pins through and clamp the jig in your bench vice. The jig can also be used with A4 uppers, when held sideways to install barrels, or any other work. Just hold against the top of your flat-top receiver, and the bottom of our jig (make sure to use a padded vice, or use a flat block of wood or piece of plastic.own
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