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Diamondback Firearms DBB556M16M50B8R
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Diamondback Firearms

$103.00
$86.00
Sale Price
Low Stock (3 left) California compliant

Diamondback Firearms Barrel, 223 Remington/5.56 NATO, 16" Threaded Barrel, 1/2X28 Thread Pitch, 1:8 Twist, Black Nitride Finish, Mid-Length Gas System, Fits AR Rifles 556M16M50B8R

Key Details
Brand Diamondback Firearms
Manufacturer Part Number 556M16M50B8R
UPC 815875019077
SKU DBB556M16M50B8R
Current Stock 3 available
Quantity Updated Apr 15, 2026 7:10 PM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

At Diamondback, they are able to produce barrels that meet the shooters requirements. Their barrel blanks are made from premium materials and machined using some of the finest equipment on the market. Diamondback has several high-quality CNC machines that are used for a variety of purposes. With their machining capabilities, they can serve industries including self-defense, medical, aerospace, military, and more. With a mid length gas system and medium contour, their 223 Remington/556NATO barrel is a perfect example of modern day barrel making. Made from 4150 Chrome Moly steel with a Black Nitride finish, this button rifled barrel is 16" in length and offers a traditional 11 degree target crown.

Features
  • Caliber: 223 Remington/556 NATO
  • Gas System: Mid-Length
  • Length: 16";Contour/Profile: Medium"
  • Twist: 1:7
  • Material: 4150 Chrome Moly
  • Coating: Black Nitride
  • Thread: 1/2 x 28
  • Rifling: Button Rifled 5R
  • M4 Feed Ramps
Specifications
UPC: 815875019077
Manufacturer: Diamondback Firearms
Manufacturer Part #: 556M16M50B8R
Barrel Length: 16"
Finish: Nitride
Type: Barrel