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AR57 ULT Upper 12" 50rd 5.7x28mm
AR57 ULT Upper 12" 50rd 5.7x28mm
 
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Our Price: $749.00
Below Cost: $649.00

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Product Code: AR57ULT-12
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Description
 
The AR Five-Seven ULT (ultra-lightweight) upper receiver in 5.7x28mm attaches to milspec AR15 lowers and ejects spent rounds downward through the magwell. The AR-57 function using top-mounted FN P90 magazines and features a non-reciprocating side-charging handle. All metal parts (receiver, rail, barrel & bolt) are melonite-treated.
Technical Specs
  • Fits milspec AR15 lowers
  • Caliber 5.7x28mm
  • Uses FN P90 magazines
  • 3lb 4oz in weight as pictured
  • 8060 steel bolt & blowback recoil system
  • 12 inch steel barrel 1:8.5 twist
  • Threaded 1/2X28 w/perforated muzzle brake
  • Reversible non-reciprocating charging handle
  • 7075 T6 aluminum monobloc receiver
  • 10.5 inch MLOK handguard
  • Ambidextrous magazine release
  • Includes 4.6oz buffer
  • Includes 50 round magazine
  • Limited lifetime warranty

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