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  • Dirty Bird Brand
    • Dirty Bird Brand AR-15 Parts
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    • Upper Parts
      • Dirty Bird Complete Uppers
      • Dirty Bird Upper Receivers
      • Dirty Bird BCG’s
      • Dirty Bird Handguards
    • Lower Parts
      • Dirty Bird Lower Receivers
      • Dirty Bird Buffer Kits
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      • Dirty Bird Triggers
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      • Dirty Bird Lower Build Kits
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      • Buffers, Tubes & Kits
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      • Complete Uppers
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      • M-LOK / KeyMod / Rail Accessories
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Complete Uppers

Home / AR-15 & AR-10 Parts / Upper Parts / Complete Uppers
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NBS 11.5″ Slick Side 5.56 Nitride-Carbine M-LOK Upper Assembly

$359.95

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+

Dirty Bird Industries 7.5″ 5.56 DRP Pistol M-LOK V2 Upper Assembly

$409.95

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+

NBS 7.5″ Slick Side Billet 300 BLK Nitride Pistol M-LOK Upper Assembly

$279.95
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+

Dirty Bird 16″ Government Midlength 5.56 M-LOK Left-Handed Complete Upper

(10 %)
MSRP: $649.99
$584.99

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+

NBS 16″ .223 Wylde Gov Mid M-LOK Upper Assembly Black

$329.95

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+

NBS 10.5″ Carbine M4 M-LOK 5.56 NATO 1:7 Complete Upper

$329.95

Sale!
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+

NBS Premium 16″ .223 Wylde Gov Mid M-LOK Complete Upper

$599.95 $399.99

Sale!
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+

NBS 10.5″ 5.56 Gov / SOCOM Carbine M-LOK Upper Assembly

$329.95 $219.99
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+

NBS Sport 7.5″ 5.56 DRP Pistol M-LOK Upper Assembly

$299.95
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+

NBS Premium Series 11.5″ 5.56 Upper Assembly w/ Geissele MK4 Handguard

$549.95

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+

NBS 7.5″ 5.56 DRP Pistol M-LOK Upper Assembly

$299.95
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+

Dirty Bird 16″ 5.56 NATO Govt M-LOK Quad Rail Complete Upper

$459.99

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+

NBS 7.5″ Slick Side Billet 5.56 Nitride Pistol M-LOK Upper Assembly

$299.95
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+

NBS Premium Series 16″ Upper Assembly w/ BA Barrel and Geissele MK8 Handguard

$549.95

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+

NBS 4″ Slick Side Billet 9mm Nitride Pistol M-LOK Upper Assembly

(7 %)
MSRP: $269.95
$249.95
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+

NBS 20″ 5.56 Rifle M-LOK Upper Assembly

$399.95

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+

NBS 16″ Slick Side Billet 9mm SOCOM 1:10 M-LOK Upper Assembly

$359.95

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+

NBS 16″ Slick Side Billet 5.56 416R Stainless Midlength 1:7 M-LOK Complete Upper

$369.95

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+

NBS 16″ 5.56 Left Handed Complete Upper

$394.95

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+

Aero Precision AR-15 Complete Upper, 16″ 5.56 Mid-Length Barrel w/ Pinned FSB, M4 Handguard

$334.99

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+

Dirty Bird Slick-Side 16″ 9mm 1:10 M-LOK Complete Upper

$499.95

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+

Dirty Bird 16″ Side-Charging 5.56 NATO Govt M-LOK Complete Upper

$699.95

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+

Dirty Bird 14.5″ Pin & Weld Government V2 5.56 M-LOK CA Compliant Complete Upper – Black

MSRP: $484.95
$484.95

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+

Geissele Automatics Duty AR-15 Complete Upper Receiver Carbine – DDC – 11.5″

$1,350.00

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It's a Family Thing
There is a reason people like shopping with Family owned and operated companies: Because the people running it have skin in the game, our reputation is on the line. We know that our only job is serving our customers, that means quality products, great prices and attentive service.
Satisfaction Guaranteed
Your AR15 build is important to you so it is important to us. Our return policy is simple, if you're not 100% satisfied with your purchase send it back to us within 30 days for a full refund. Install it, test it out, beat it up. If it doesn't perform to your liking, we'll take it back.
Have Questions?
2420 Mohawk Street #700 Bakersfield, CA 93308 Questions or concerns? Email us anytime at [email protected] 1-800-992-5060
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Copyright © 2023 Dirty Bird Industries, a Dirty Bird Industries, LLC Company 2420 Mohawk Street #700 Bakersfield, CA 93308
  • Login
  • Dirty Bird Brand
    • Dirty Bird Brand AR-15 Parts
      •  
    • Upper Parts
      • Dirty Bird Complete Uppers
      • Dirty Bird Upper Receivers
      • Dirty Bird BCG’s
      • Dirty Bird Handguards
    • Lower Parts
      • Dirty Bird Lower Receivers
      • Dirty Bird Buffer Kits
      • Dirty Bird Lower Parts Kits
      • Dirty Bird Triggers
    • Bundles & Kits
      • Dirty Bird Lower Build Kits
      • Dirty Bird Receiver Sets
      • Dirty Bird Builder Sets
  • AR-15 & AR-10 Parts
    • Lower Parts
      • Buffers, Tubes & Kits
      • Pistol Grips
      • Lower Parts Kits
      • Lower Receivers
      • Safety Selectors
      • Stocks & Stock Kits
      • Triggers
    • Upper Parts
      • Barrels
      • Charging Handles
      • Complete Uppers
      • Forward Assists / Dust Cover
      • Gas Blocks
      • Gas Tubes
      • Handguards
      • Muzzle Devices
      • Upper Receivers
    • Accessories
      • M-LOK / KeyMod / Rail Accessories
      • Tools & Cleaning
  • Optics & Sights
    • Red Dot / Holographic Sights
    • Rifle Scopes
    • Scope / Optics Mounts
    • Sights
  • Firearms
    • Rifles
    • Shotguns
    • Handguns
    • Used Firearms
  • Ammunition
  • Brands
  • Cerakote Service