This complete upper assembly from PW arms comes with everything needed to transform your standard AR-15 rifle into a 5.7x28mm powerhouse! The top mounted magazine (not included) holds 50 rounds, and eliminates a protruding magazine that may interfere with prone shooting. The clever design ejects spent casings down the empty magazine well, eliminating flying brass and hot cases going down shirt collars.
The upper receiver and rails are precisely milled from a monolithic block of 7075 T6 aircraft aluminum, and will accommodate any style of sighting system. Features an ER Shaw 16" barrel with flash hider, and no gas system to get fouled which makes maintenance a snap! Uses commonly available FNH PS90 magazines, and fits on any standard AR-15 lower receiver.
Specifications and Features:
PW Arms AR57 Complete SLC M-LOK Upper Assembly AR57LEM-UA
5.7x28mm
16" Lightweight Profile
4140 Chrome Alloy Barrel
1:8.5 twist rate
1/2x28 thread pitch with A2 flash hider
4140 Chrome Alloy Parkerized Bolt
M-LOK compatible free float handguard
Carbine buffer included
Ambidextrous magazine release and charging handle
Compatible with FNH PS90 magazines
4.36 lbs
7075 T6 Aluminum Receiver/Handguard
Black/Parkerized
Fits:
Standard AR-15 lower receivers with carbine buffer system.
Note:
Manufacturer recommends use with PW AR57 and FNH magazines only. Other aftermarket mags such as "ATI" or "KCI" have proven to fail and do not meet the same standards, quality or specs.
The upper receiver and rails are precisely milled from a monolithic block of 7075 T6 aircraft aluminum, and will accommodate any style of sighting system. Features an ER Shaw 16" barrel with flash hider, and no gas system to get fouled which makes maintenance a snap! Uses commonly available FNH PS90 magazines, and fits on any standard AR-15 lower receiver.
Specifications and Features:
PW Arms AR57 Complete SLC M-LOK Upper Assembly AR57LEM-UA
5.7x28mm
16" Lightweight Profile
4140 Chrome Alloy Barrel
1:8.5 twist rate
1/2x28 thread pitch with A2 flash hider
4140 Chrome Alloy Parkerized Bolt
M-LOK compatible free float handguard
Carbine buffer included
Ambidextrous magazine release and charging handle
Compatible with FNH PS90 magazines
4.36 lbs
7075 T6 Aluminum Receiver/Handguard
Black/Parkerized
Fits:
Standard AR-15 lower receivers with carbine buffer system.
Note:
Manufacturer recommends use with PW AR57 and FNH magazines only. Other aftermarket mags such as "ATI" or "KCI" have proven to fail and do not meet the same standards, quality or specs.