Description
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.
Features:
– 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
SKU: 3005-006
Does not come with anti-rotation pin for use with NBS Free Float M-LOK Handguard and Dirty Bird Gen 2 Handguards.
UPPER MAY NOT BE COMPATIBLE WITH HANDGUARDS THAT FEATURE ANTI-ROTATION TABS.
Made in the USA
Backed by the NBS Limited Lifetime Warranty
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