AR57 ULT Upper 5.7x28MM Shorty

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AR57 ULT Upper SBR Ready
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AR57 ULT Upper SBR Ready
AR57 ULT Upper SBR Ready
AR57 ULT Upper SBR Ready
AR57 ULT Upper SBR Ready
AR57 ULT Upper SBR Ready
AR57 ULT Upper SBR Ready
PRICE: $645.00

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PRICE: $645.00

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AR57 ULT Upper 5.7x28MM Shorty

  • AR57 ULT Upper 5.7x28MM Shorty
  • AR57ULT-12
  • UPC 051497388553
  • 5.7x28mm
  • 16" Complete Upper Receiver
  • 12" LIghtweight Barrel
  • 1:8.5" Twist
  • 1/2x28 Thread
  • Alloy Monobloc Receiver
  • 3 Slot MLOK on Upper and Lower Rails
  • 8620 Alloy Bolt
  • SBR Ready After NFA Approval

AR57 ULT Upper 5.7x28MM Shorty AR57ULT-12. This upper receiver is chambered in 5.7x28mm and features a steel 12" lightweight barrel with 1:8.5" twist and a 1/2x28 thread pattern. This AR57 Upper is constructed with a steel barrel, muzzle brake, bolt carrier group, buffer, and screws, all built into an alloy monobloc receiver. The sight system is a 13 slot Picatinny over the operating handle, with 3-slot upper and lower forward rails. In contrast to many other receivers, there is no gas system to become clogged with carbon or fouling; the chamber stays clean well beyond extended shooting. This 12" model is SBR ready after NRA approval. Convert your AR-15 Rifle to shoot the same 5.7x28 ammo as the legendary FN P-90 PDW!

8939

Specific References

UPC
051497388553