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

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

Dirty Bird · Upper Receiver

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Best price

$629.95at AR15Discounts

checked Oct 31, 2026

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AR15Discounts Best price $629.95checked Oct 31, 2026 Check store Buy at AR15Discounts
Dirty Bird $629.95checked Oct 31, 2026 Check store Buy at Dirty Bird

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Price history

Dashed line = out of stock. Tracking since Oct 28, 2026.

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Since Oct 28, 2026.

About this part

The Dirty Bird 16 Government Midlength 5.56 M-LOK Left-Handed Complete Upper is an AR-15 complete upper receiver from Dirty Bird. It's sold by 2 stores, all at $629.95.

Fits and works with

Caliber
5.56 / .223 · Shop matching ammo
Bolt
Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Gas system
Mid-length · Handguards

Specifications

Manufacturer
Dirty Bird
Type
Complete
Platform
AR-15
Caliber
5.56 mm NATO

From the manufacturer

Lefties rejoice, the Dirty Bird 16 Government Midlength 5.56 M-LOK Left-Handed Complete Upper was built just for you. This is a high quality mil-spec compatible upper assembly that will provide better handling and ergonomics for left-handed shooters. Plus you can be confident that you're getting an upper assembled by competent professionals using top notch, brand name components. The Left Handed A3 Upper Receiver is manufactured by Stag Arms, T-Marked and Hard Coat Anodized. This is actually a forged upper receiver, so you can be confident that it will match up nicely with any mil-spec lower from a variety of manufacturers. It also features a functional forward assist and dust cover. The top-tier 16 Black Nitride Mid-Length barrel is chambered in 5.56 NATO (can shoot both 5.56 and .223) and features a 1:7 twist. The smooth shooting mid-length gas system uses a Stainless Steel Gas Tube and 4140 Steel Gas Block with a Black Nitride finish. **NOW INCLUDING BCG and Charging Handle Made in the USA - Backed by Dirty Bird Industries' Limited Lifetime Warranty Barrel Chambered in 5.56 (will also function with .223) 16" Government Profile w/ 1:7 Twist Mid-Length Gas System Black Nitride Finish High Pressure Tested and Magnetic Particle Inspected Sub-MOA Guarantee Handguard Patented ASAL (Anti-Slip, Anti-Lift) mounting system "Competition Cut" top rail Upper Receiver Precision Machined from Top Tier 7075-T6 Aluminum Forgings (forge marks may vary) Not all foged uppers are created equal and we only use the best for our uppers meaning they will be free from excessive pitting, machined to spec and finished with quality (not purple or chalky) hard coat anodizing M4 Feedramps Forge Markings may vary May or may not have T-Marks Bolt Carrier Group Finish: Salt Black Nitride Bolt: 9310 Alloy Steel (High Hardness) Carrier: 8620 Aircraft Grade Steel Extractor: Shot Peened and Case Hardened D2 Tool Steel Firing Pin: Mil-spec 8740 steel with hard chrome finish Gas Key: Mil-Spec w/ properly staked Grade-8 screws & Permatex No. 3 sealed Cam Pin: 8620 Steel w/ Black Nitride Finish

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$629.95 at AR15Discounts
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