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Description
This Dirty Bird Industries Complete Upper features a Dirty Bird Midlength Sub-MOA 416R Medium Profile barrel chambered in .223 Wylde with a 1:8 twist. Built on a top-tier Forged Upper Receiver, no corners are cut when manufacturing these complete uppers. All barrels are dimpled and cold blued, use a black nitride 4140 steel gas block and a stainless steel gas tube. The gas block set screws feature knurled cone tops and are installed using blue locktite ensuring that no amount of firing will cause the set screws to come loose but they will still able to be removed for servicing if needed.
**Does NOT include BCG or Charging Handle
Made in the USA – Backed by Dirty Bird Industries’ Limited Lifetime Warranty
Barrel
Chambered in .223 Wylde
13.7″ Medium Profile w/ 1:8 Twist
Midlength Gas System
Stainless Steel Finish
Magnetic Particle Inspected
416R Stainless Steel
Sub-MOA Guarantee
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
Handguard
Patented ASAL (Anti-Slip, Anti-Lift) mounting system
Included M-LOK QD Mount
“Competition Cut” top rail (V2) or continuous picatinny top rail (V3).
MPN: D107
