THE ENFORCER 5.56 8.5" L.P.R. Piston Upper with A.P. Keymod Handguard

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On sale $919.99 $909.99
Part Number: 1780503
Availability: In Stock

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Black Rifle Arms® THE ENFORCER 8.5" AR-15 5.56 Piston Upper with Aero Precision Keymod Handguard

  • Piston Upper Fits Any Mil-Spec Lower
  • Uppers Test Fired with Wolf Ammo
  • Aero Precision Keymod Handguard
  • One Piece Bolt Carrier Group

Low Profile Regulated Piston System Features:
  • 4 Position Regulated Gas System
  • Low Profile Gas Block Design
  • Ambi-Regulator Knob
  • 360° Continuous Rotation
  • Easily Adjustable with One Hand
  • Easily Adjustable with Gloves On
  • Easily Adjustable from Firing Position
  • Audible and Palpable Setting Confirmation
  • No Detent Pin to Push In to Adjust Gas Regulator
  • Regulator Knob Allows for Zero Visibility Adjustment
  • Interlocking Mechanism Prevents Accidental Rotation of Knob
  • Knob Configured for Rapid Adjustment with No Loss of Target Engagement

Barrel Specs:
  • Manufacturer: Black Rifle Arms
  • Material: 4150 CrMov
  • Barrel Length: 8.5"
  • Twist: 1:9
  • Nitrided: Inside and Out
  • Contour: Medium Tactical
  • Chamber: 5.56x45mm NATO
  • Feed Ramps: M4
  • Thread: 1/2x28”
The Enforcer, 5.56 Pistol Piston Upper

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