Selling my CB date code HK MR556 complete upper. Comes with Geissele SMR FDE rail, Geissele FDE USASOC charging handle, and Dead Air flash hider. This does have the lighter weight barrel. Also has a few of the Picatinny rail sections for the SMR.
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Item Relisted! FS/FT HK MR556 Upper with Geissele upgrades
- Thread starter st6antcr
- Start date
This item has been relisted. The new listing can be found at https://www.theoutdoorstrader.com/threads/fs-ft-hk-mr556-upper-with-geissele-upgrades.3053479/.
