NBS AR-15 Left Handed Slick Side Billet Upper Receiver - 5162

The NBS Left-Handed 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
• Weight: 7.1oz

*Does not come with anti-rotation pin for use with NBS Free Float M-LOK Handguard and Dirty Bird Gen 2 Handguards. Anti-rotation pin can be found below:

98381A470 – NBS/Dirty Bird Gen 2 Handguard Anti-Rotation Pin – AR15Discounts

Made in the USA

Backed by the NBS Limited Lifetime Warranty