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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 c-clip from dust cover pin before assembly) 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
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Specifications |
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Brand | NBS | ||
Category | AR15 & AR10 Upper Receivers | ||
Weight | 0.0000 oz | ||
Color | Black, Burnt Bronze, FDE, Grey, OD Green, Zombie Green | ||
Feed Ramps | M4 |