R57 16" COMPLETE SLC M-LOK UPPER. AR57 MFG., FACTORY NEW. COMES WITH 16" LIGHTWEIGHT BARREL, LIGHTWEIGHT FLASH HIDER, SEMI AUTO BOLT, CARBINE BUFFER, AMBIDEXTROUS MAG RELEASE AND CHARGING HANDLE WITH M-LOK RAILS.
Please note: A2 type / "Butt Stock" / "Rifle Stock" lower receivers require AR57-A2 Buffer Extension. Please refer to the Product Catalog or contact us for further details.
Buyer beware: Intended and warrantied for use with FNH and AR57 magazines only. Other after market magazines such as "ATI" or "KCI" have proven to fail and do not meet the same standards, quality or specs.