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Brand new upper receiver for your AR15/M16 that gives you the option to change from its current caliber to be able to shoot the affordable .22 rimfire ammunition with your AR15/M16 lower half. Installation is a cinch and with no permanent changes to your firearm. The design allows for he use of any Atchinson style conversion magazine to be used. Comes with two 28 rd. mags. Barrel: 16", Overall: 23.5". Condition: New.

Condition: New.

Brand new replacement semi-auto receivers! Must comply with all Federal Regulations. All receivers are sold as replacement parts only. All NFA rules apply. Not for sale in CA, NY except to 01 FFL's, HI or where prohibited by law.

Metric pattern. Condition: New.

Brand new replacement semi-auto receivers! Must comply with all Federal Regulations. All receivers are sold as replacement parts only. All NFA rules apply. Not for sale in CA, NY except to 01 FFL's, HI or where prohibited by law.