92190 : AR-15 A3 Modular Upper Receiver Assembly 5.56 x 45mm Nato 16" BBL Pre-Ban


A futed, chrome-lined, chrome-moly steel 16” barrel with 1 in 9” twist, milled gas block, fip-up sights, four-rail fore-end with rail covers, bipod/sling stud, Flat-Top upper receiver with bolt carrier, charging handle and forward assist.

  • Built on the versatile Bushmaster modular AR upper platform
  • Barreled upper receivers can be used on existing AR15-type lower receivers
  • Bushmaster 4150 chrome-moly-vanadium steel barrels feature hard-chrome lining in
  • both bore and chamber for extended barrel life
  • All receivers feature integral brass defectors and hard anodized fnish
  • Each assembly is factory headspaced, proofed, test-fred and ready to use
  • Forged, lightweight 7075T6 aircraft-quality aluminum receivers incorporate all M16A2 design improvements including cartridge case defector, bolt catch assembly and raised ribs for protection against accidental magazine release

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More Information
Receivers OLD-Upper Receiver Assembly
Compatibility AR15
Note 1/2"-28 Muzzle thread
Manufacturer Number 92190
UPC 604206921901
Brand Bushmaster®
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