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Description
This Dirty Bird Industries Complete Upper features a Black Nitride 7.5″” Sub-MOA Heavy Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier t-marked Forged Upper Receiver and finished with Dirty Bird’s 9.5″ SMRS M-LOK V2 Handguard available in several color options. 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 vibration will cause the set screws to come loose but they will still be removable for servicing if needed.
Made in the USA – Backed by Dirty Bird Industries’ Limited Lifetime Warranty
Barrel
Chambered in 5.56 (will also function with .223)
7.5″ Heavy Profile w/ 1:7 Twist
Pistol Gas System
Black Nitride Finish
High Pressure Tested, Magnetic Particle Inspected and Test Fired
Recessed Flash Can
Bolt Carrier Group
Designed for use with both 5.56 and .223
Strategically relocated load bearing surfaces reduce carrier tilt/can’t during recoil, thus increasing reliability and longevity
Additional wall thickness in the gas exhaust port area for added strength and rigidity
High Pressure Tested and Magnetic Particle Inspected
Handguard
Patented ASAL (Anti-Slip, Anti-Lift) mounting system
Included M-LOK QD Mount
“Competition Cut” top rail
Upper Receiver
Precision Machined from Top Tier 7075-T6 Aluminum Forgings (forge marks may vary)
Not all forged 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
Laser etched T-marks
Charging Handle
Mil-Spec Style
6061-T6 Billet Aluminum
Smooth Operation and Positive Grip under Extreme Conditions
Type 3 Class 2 Hard Coat Anodizing
Weight 110 oz
Dimensions 19.5 × 5 × 5 in
Color Black
SKU: D026
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