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PWA 5.7x28 Upper Conversion

SGC ID:094922150479


Part #: PWAAR57

The AR Five Seven is an 5.7x28mm upper receiver that fits all standard AR15/M16 lowers.  Using FN P90/PS90 PDW 50 round magazines, this upper allows the use of FN's 5.7x28mm cartridge in the AR15 carbine platform.  Milled from one piece, hot forged, minolithic block of Aircraft Grade 7075 T6 aluminum for maximum stability, 83,000 PSI for ultimate tensile strength.

  • Precision Milled to +/- .002 tolerance
  • Ported for maxumum cooling
  • Including a generous M1913 Picatiny Quad-Rail system
  • Front and rear picatiny rails
  • 4140 chrome alloy CBQ parkerized barrel
  • 4140 chrome alloy parkerized bolt
  • MIL-A-63576 type 3 non-stick Teflon infused hard coat anodized finish applied before full assembly.
  • Barrel Torqued 55 lbs
  • 750 rounds per minute on full auto
  • Bottom eject through existing magwell

 Reliability is its primary feature.  Unlike many other receivers, there is no gas system to become clogged with carbon or fouling.  The chamer stay's clean well beyond extended shooting sessions.  Simplicity is key, with the free sliding bolt, being the only moving element and removes instantly making maintenance a snap.

With few moving parts and simple recoil driven action, it equals the utmost reliabilty and finction on an AR platform.

Note: Does not include magazine