Daniel Defense Sentries
Gun Review: Daniel Defense Sentries

Gun Review: Daniel Defense Sentries

Smooth-shooting AR designs from Daniel Defense are built to handle 5.56mm and 300 Blackout firepower!

In 1969, the U.S. Army adopted the Colt M16 as the standard service rifle.

When it was originally fielded, the M16 became embroiled in controversy. Critical issues involving the barrel, ammunition, powder and maintenance almost derailed the new rifle. In addition, the old guard had a hard time giving up walnut stocks and a .30 caliber bullet for a plastic “space gun” that shot a .22! Now, 45 years later, the M16 and its variants have become the symbol of the American military, and the design is the choice rifle for many countries around the world.

The M16’s technical package is in the public domain, which has resulted in more manufacturers than can be reasonably counted. However, one company has established an identity and reputation that places it at the very top of the list, Daniel Defense. Marty Daniel founded Daniel Defense in 2000 with only one product, a sling adaptor. This was the mustard seed that started the story of what is now a major manufacturer with an international client base.

Daniel Defense has grown from humble beginnings to a staff of over 100 employees. While keeping its original 38,000-square-foot facility in Black Creek, Georgia, the company has expanded to a 90,000-square-foot production facility in South Carolina. What sets Daniel Defense apart from others is the company’s total commitment to quality. To that end, Daniel Defense manufactures, in house, nearly every component of its rifles. This not only includes the barrels, the upper and lower receivers and fire control parts, but the pins and detents as well.

The heart of every Daniel Defense rifle is a quality barrel. All Daniel Defense mil-spec barrels are cold-hammer-forged in house, through intense hydraulic pressure that is applied at opposing angles by carbide steel hammers. During the hammering process, a mandrel is inserted into the bore. The hammers shape the barrel’s chamber, lands and grooves around the mandrel, creating a defect-free bore and a consistent chamber. Every barrel is magnetic-particle (MP) tested to ensure there are no hidden flaws or fractures. All of the rifles are equipped with an M16 bolt carrier group that meets all military specifications.

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