Dirty Bird 20″ M16A1 Enhanced 5.56 Retro Upper Assembly
Dirty Bird 20″ M16A1 Enhanced 5.56 Retro Upper Assembly
The Dirty Bird Industries M16A1 20″ 5.56 Retro Upper Assembly is the next iteration in the line of DBI’s popular Complete Uppers. Dirty Bird Industries has sourced some of the finest parts in the industry to make sure that this complete upper is not only a great throwback build and aesthetically accurate, but also performs flawlessly in the field by taking advantage of modern enhancements to the platform.
Notable enhancements include: 1:9 twist instead of 1:12 which will stabilize a greater variety of bullet weights and a black class 3 type 2 anodizing to match most modern mil-spec lower receivers.
20″ 5.56 Lightweight Contour 1:9 Rifle Length Barrel w/ FSB
- Chambered in 5.56
- 1:9 Twist Rate
- Button Rifled
- A2 Front Sight Base w/ Front Sight Post Installed
M16A1 Assembled Upper Receiver
- 7075-T6 Forged Aluminum
- Factory Installed Teardop Forward Assist & Dust Cover
- Factory Installed Dual Aperture Rear Sight
- Fully Compatible with any Mil-Spec Lower Receiver
A1 Triangle Handguard
A1 3 Prong Compensator
Made in the USA – Backed by Dirty Bird Industries’ Limited Lifetime Warranty
| Style | M4 Feed Ramps, No M4 Feed Ramps |
|---|---|
| UPC | D215,810084370919 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
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