Purchase the NBS Slick Side Billet Upper Receiver here!

The NBS Slick Side Billet Upper Receiver is a quality, American made billet upper featuring a unique design that sets it apart from traditional forged upper receivers. Manufactured to exacting standards on five axis CNC machines from a solid block of aircraft grade aluminum, this stripped upper not only looks good… it is built to last.

  • M4 Feedramps
  • Compatible with mil-spec forged lower receivers and most billet lower receivers
  • .250 takedown / pivot pin holes
  • No forward assist
  • Designed to be used with or without a port door / dust cover (will need to remove e-clip from dust cover pin before assembly)
  • Weight: 7.1oz

Made in the USA

Backed by the NBS Limited Lifetime Warranty

Take a look at our other AR-15 Parts here!

Advertised price expires 07/21/2021