AR57 SLC16 Complete Upper Assembly (New Redesigned Model)
PWA AR57 Upper-NL-1a
AR57 UpperSLC NL-1AR57 UpperSLC-NL-2PWA AR57 Upper-NL-3


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New Redesigned AR57 SLC Complete Upper Assembly with 16″ barrel, flash suppressor, semi-auto bolt and a 4.9oz “Carbine” buffer.  The new design has a lightweight barrel, lightweight flash hider, M-LOK rails and is overall 1 pound lighter than the Gen2 model.  This upper also comes with ambidextrous mag release and charging handle.  Perfect for converting your current AR15 lower into an AR57 Long Gun.  All AR57 magazines are sold separately.


**NOTE:  A2 type butt stocks (Rifle Stock) requires the AR57-A2 Buffer Extension.  Sold separately for $15.00.


The upper receiver and rails are precisely milled from a monolithic block of aircraft grade 7075 T6 aluminum. Any sighting systems mounted on the M1913 Picatiny rails will stayed zeroed through the toughest of missions. Designed with reliability as it’s primary  feature. There is no gas system to become clogged with carbon or fouling making any maintenance a snap. The bolt and chamber stay clean well beyond extended shooting sessions.


Additional Information
Manufacturer AR57
Model AR57 LEM Complete Upper Assembly
Type Upper Assembly Only
Caliber 5.7x28mm
Action Semi-Automatic
Capacity 50+1
Receivers 7076 T6 Aluminum
Trigger N/A
Barrel Length 16″ Fluted Barrel with Flash Suppressor
Overall Length 23.5″
Weight 3.2 lbs.
Accessories No Accessories Sold with Upper
Product UPC AR57LEM Upper

Additional Information Content


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