20 inch 7.62 X 39 Barreled upper.
20” 7.62x39MM Complete Barreled Upper 20" HBAR barreled upper 1x10 twist, chrome moly barrel, on Aircraft quality aluminum A-2 or flat-top upper receiver. Comes fully assembled with bolt carrier assembly and charging handle. Pre-ban or Post-ban
20” 7.62x39MM Complete Barreled Upper
20” 7.62x39MM Complete Barreled Upper

20” HBAR barreled upper 1x10 twist, chrome moly barrel, on aircraft
quality aluminum A-2 or flat-top upper receiver. Comes fully
assembled with bolt carrier assembly and charging handle.
Pre-ban or Post-ban.

This AR-15 barreled upper is headspaced, and ready to mount to your lower receiver after installing the bolt carrier group, see options.  Once you have an assembled lower with the parts installed and mount the upper,  this is an operational firearm 5.56mm.
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20" 7.62 X 39 Barreled upper Complete
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20inch762x39hbar
20" 7.62x39MM Complete Barreled Upper. 

20” 7.62x39MM Complete Barreled Upper.

20” HBAR barreled upper 1x10 twist, chrome moly barrel, on aircraft quality aluminum A-2 or flat-top upper receiver. Comes fully assembled with bolt carrier assembly and charging handle.  Pre-ban or Post-ban configurations available.